207913875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{42649}}^1$

素因数の和:42680

約数の個数: 32

約数和(自身を含む): 372590400

約数和(自身を除く): 164676525

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 42649, 127947, 213245, 554437, 639735, 1066225, 1663311, 2772185, 3198675, 5331125, 8316555, 13860925, 15993375, 41582775, 69304625, 207913875]

約数ペア:

[(1, 207913875), (3, 69304625), (5, 41582775), (13, 15993375), (15, 13860925), (25, 8316555), (39, 5331125), (65, 3198675), (75, 2772185), (125, 1663311), (195, 1066225), (325, 639735), (375, 554437), (975, 213245), (1625, 127947), (4875, 42649)]