3940125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 7987200

約数和(自身を除く): 4047075

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 79, 95, 105, 125, 133, 175, 237, 285, 375, 395, 399, 475, 525, 553, 665, 875, 1185, 1425, 1501, 1659, 1975, 1995, 2375, 2625, 2765, 3325, 4503, 5925, 7125, 7505, 8295, 9875, 9975, 10507, 13825, 16625, 22515, 29625, 31521, 37525, 41475, 49875, 52535, 69125, 112575, 157605, 187625, 207375, 262675, 562875, 788025, 1313375, 3940125]

約数ペア:

[(1, 3940125), (3, 1313375), (5, 788025), (7, 562875), (15, 262675), (19, 207375), (21, 187625), (25, 157605), (35, 112575), (57, 69125), (75, 52535), (79, 49875), (95, 41475), (105, 37525), (125, 31521), (133, 29625), (175, 22515), (237, 16625), (285, 13825), (375, 10507), (395, 9975), (399, 9875), (475, 8295), (525, 7505), (553, 7125), (665, 5925), (875, 4503), (1185, 3325), (1425, 2765), (1501, 2625), (1659, 2375), (1975, 1995)]