2187252585

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:628

約数の個数: 128

約数和(自身を含む): 4622745600

約数和(自身を除く): 2435493015

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 197, 217, 279, 315, 379, 465, 591, 651, 837, 945, 985, 1085, 1137, 1379, 1395, 1773, 1895, 1953, 2653, 2955, 3255, 3411, 4137, 4185, 5319, 5685, 5859, 6107, 6895, 7959, 8865, 9765, 10233, 11749, 12411, 13265, 17055, 18321, 20685, 23877, 26595, 29295, 30535, 35247, 37233, 39795, 42749, 51165, 54963, 58745, 62055, 71631, 74663, 82243, 91605, 105741, 119385, 128247, 164889, 176235, 186165, 213745, 223989, 246729, 274815, 317223, 358155, 373315, 384741, 411215, 522641, 528705, 641235, 671967, 740187, 824445, 1119945, 1154223, 1233645, 1567923, 1586115, 1923705, 2015901, 2220561, 2314553, 2613205, 3359835, 3700935, 4703769, 5771115, 6943659, 7839615, 10079505, 11102805, 11572765, 14111307, 16201871, 20830977, 23518845, 34718295, 48605613, 62492931, 70556535, 81009355, 104154885, 145816839, 243028065, 312464655, 437450517, 729084195, 2187252585]

約数ペア:

[(1, 2187252585), (3, 729084195), (5, 437450517), (7, 312464655), (9, 243028065), (15, 145816839), (21, 104154885), (27, 81009355), (31, 70556535), (35, 62492931), (45, 48605613), (63, 34718295), (93, 23518845), (105, 20830977), (135, 16201871), (155, 14111307), (189, 11572765), (197, 11102805), (217, 10079505), (279, 7839615), (315, 6943659), (379, 5771115), (465, 4703769), (591, 3700935), (651, 3359835), (837, 2613205), (945, 2314553), (985, 2220561), (1085, 2015901), (1137, 1923705), (1379, 1586115), (1395, 1567923), (1773, 1233645), (1895, 1154223), (1953, 1119945), (2653, 824445), (2955, 740187), (3255, 671967), (3411, 641235), (4137, 528705), (4185, 522641), (5319, 411215), (5685, 384741), (5859, 373315), (6107, 358155), (6895, 317223), (7959, 274815), (8865, 246729), (9765, 223989), (10233, 213745), (11749, 186165), (12411, 176235), (13265, 164889), (17055, 128247), (18321, 119385), (20685, 105741), (23877, 91605), (26595, 82243), (29295, 74663), (30535, 71631), (35247, 62055), (37233, 58745), (39795, 54963), (42749, 51165)]