214980915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 385968240

約数和(自身を除く): 170987325

約数列:

[1, 3, 5, 15, 19, 29, 37, 57, 87, 95, 111, 145, 185, 285, 361, 435, 551, 555, 703, 1073, 1083, 1369, 1653, 1805, 2109, 2755, 3219, 3515, 4107, 5365, 5415, 6845, 8265, 10469, 10545, 13357, 16095, 20387, 20535, 26011, 31407, 39701, 40071, 52345, 61161, 66785, 78033, 101935, 119103, 130055, 157035, 198505, 200355, 305805, 387353, 390165, 494209, 595515, 754319, 1162059, 1482627, 1936765, 2262957, 2471045, 3771595, 5810295, 7413135, 11314785, 14332061, 42996183, 71660305, 214980915]

約数ペア:

[(1, 214980915), (3, 71660305), (5, 42996183), (15, 14332061), (19, 11314785), (29, 7413135), (37, 5810295), (57, 3771595), (87, 2471045), (95, 2262957), (111, 1936765), (145, 1482627), (185, 1162059), (285, 754319), (361, 595515), (435, 494209), (551, 390165), (555, 387353), (703, 305805), (1073, 200355), (1083, 198505), (1369, 157035), (1653, 130055), (1805, 119103), (2109, 101935), (2755, 78033), (3219, 66785), (3515, 61161), (4107, 52345), (5365, 40071), (5415, 39701), (6845, 31407), (8265, 26011), (10469, 20535), (10545, 20387), (13357, 16095)]