13781625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 27046656

約数和(自身を除く): 13265031

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 125, 143, 165, 195, 257, 275, 325, 375, 429, 715, 771, 825, 975, 1285, 1375, 1625, 2145, 2827, 3341, 3575, 3855, 4125, 4875, 6425, 8481, 10023, 10725, 14135, 16705, 17875, 19275, 32125, 36751, 42405, 50115, 53625, 70675, 83525, 96375, 110253, 183755, 212025, 250575, 353375, 417625, 551265, 918775, 1060125, 1252875, 2756325, 4593875, 13781625]

約数ペア:

[(1, 13781625), (3, 4593875), (5, 2756325), (11, 1252875), (13, 1060125), (15, 918775), (25, 551265), (33, 417625), (39, 353375), (55, 250575), (65, 212025), (75, 183755), (125, 110253), (143, 96375), (165, 83525), (195, 70675), (257, 53625), (275, 50115), (325, 42405), (375, 36751), (429, 32125), (715, 19275), (771, 17875), (825, 16705), (975, 14135), (1285, 10725), (1375, 10023), (1625, 8481), (2145, 6425), (2827, 4875), (3341, 4125), (3575, 3855)]