40638975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41681}}^1$

素因数の和:41707

約数の個数: 24

約数和(自身を含む): 72359952

約数和(自身を除く): 31720977

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 41681, 125043, 208405, 541853, 625215, 1042025, 1625559, 2709265, 3126075, 8127795, 13546325, 40638975]

約数ペア:

[(1, 40638975), (3, 13546325), (5, 8127795), (13, 3126075), (15, 2709265), (25, 1625559), (39, 1042025), (65, 625215), (75, 541853), (195, 208405), (325, 125043), (975, 41681)]