39907875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 79312896

約数和(自身を除く): 39405021

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 125, 161, 175, 345, 375, 483, 525, 575, 661, 805, 875, 1725, 1983, 2415, 2625, 2875, 3305, 4025, 4627, 8625, 9915, 12075, 13881, 15203, 16525, 20125, 23135, 45609, 49575, 60375, 69405, 76015, 82625, 106421, 115675, 228045, 247875, 319263, 347025, 380075, 532105, 578375, 1140225, 1596315, 1735125, 1900375, 2660525, 5701125, 7981575, 13302625, 39907875]

約数ペア:

[(1, 39907875), (3, 13302625), (5, 7981575), (7, 5701125), (15, 2660525), (21, 1900375), (23, 1735125), (25, 1596315), (35, 1140225), (69, 578375), (75, 532105), (105, 380075), (115, 347025), (125, 319263), (161, 247875), (175, 228045), (345, 115675), (375, 106421), (483, 82625), (525, 76015), (575, 69405), (661, 60375), (805, 49575), (875, 45609), (1725, 23135), (1983, 20125), (2415, 16525), (2625, 15203), (2875, 13881), (3305, 12075), (4025, 9915), (4627, 8625)]