989848755

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1671

約数の個数: 120

約数和(自身を含む): 2132000640

約数和(自身を除く): 1142151885

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 49, 63, 81, 93, 105, 135, 147, 155, 189, 217, 245, 279, 315, 405, 441, 465, 567, 651, 735, 837, 945, 1085, 1323, 1395, 1519, 1609, 1953, 2205, 2511, 2835, 3255, 3969, 4185, 4557, 4827, 5859, 6615, 7595, 8045, 9765, 11263, 12555, 13671, 14481, 17577, 19845, 22785, 24135, 29295, 33789, 41013, 43443, 49879, 56315, 68355, 72405, 78841, 87885, 101367, 123039, 130329, 149637, 168945, 205065, 217215, 236523, 249395, 304101, 349153, 394205, 448911, 506835, 615195, 651645, 709569, 748185, 912303, 1047459, 1182615, 1346733, 1520505, 1745765, 2128707, 2244555, 2444071, 3142377, 3547845, 4040199, 4561515, 5237295, 6386121, 6733665, 7332213, 9427131, 10643535, 12220355, 15711885, 20200995, 21996639, 28281393, 31930605, 36661065, 47135655, 65989917, 109983195, 141406965, 197969751, 329949585, 989848755]

約数ペア:

[(1, 989848755), (3, 329949585), (5, 197969751), (7, 141406965), (9, 109983195), (15, 65989917), (21, 47135655), (27, 36661065), (31, 31930605), (35, 28281393), (45, 21996639), (49, 20200995), (63, 15711885), (81, 12220355), (93, 10643535), (105, 9427131), (135, 7332213), (147, 6733665), (155, 6386121), (189, 5237295), (217, 4561515), (245, 4040199), (279, 3547845), (315, 3142377), (405, 2444071), (441, 2244555), (465, 2128707), (567, 1745765), (651, 1520505), (735, 1346733), (837, 1182615), (945, 1047459), (1085, 912303), (1323, 748185), (1395, 709569), (1519, 651645), (1609, 615195), (1953, 506835), (2205, 448911), (2511, 394205), (2835, 349153), (3255, 304101), (3969, 249395), (4185, 236523), (4557, 217215), (4827, 205065), (5859, 168945), (6615, 149637), (7595, 130329), (8045, 123039), (9765, 101367), (11263, 87885), (12555, 78841), (13671, 72405), (14481, 68355), (17577, 56315), (19845, 49879), (22785, 43443), (24135, 41013), (29295, 33789)]