1971915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 64

約数和(自身を含む): 3939840

約数和(自身を除く): 1967925

約数列:

[1, 3, 5, 11, 15, 17, 19, 33, 37, 51, 55, 57, 85, 95, 111, 165, 185, 187, 209, 255, 285, 323, 407, 555, 561, 627, 629, 703, 935, 969, 1045, 1221, 1615, 1887, 2035, 2109, 2805, 3135, 3145, 3515, 3553, 4845, 6105, 6919, 7733, 9435, 10545, 10659, 11951, 17765, 20757, 23199, 34595, 35853, 38665, 53295, 59755, 103785, 115995, 131461, 179265, 394383, 657305, 1971915]

約数ペア:

[(1, 1971915), (3, 657305), (5, 394383), (11, 179265), (15, 131461), (17, 115995), (19, 103785), (33, 59755), (37, 53295), (51, 38665), (55, 35853), (57, 34595), (85, 23199), (95, 20757), (111, 17765), (165, 11951), (185, 10659), (187, 10545), (209, 9435), (255, 7733), (285, 6919), (323, 6105), (407, 4845), (555, 3553), (561, 3515), (627, 3145), (629, 3135), (703, 2805), (935, 2109), (969, 2035), (1045, 1887), (1221, 1615)]