68686575

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{6991}}^1$

素因数の和:7135

約数の個数: 24

約数和(自身を含む): 114445056

約数和(自身を除く): 45758481

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 6991, 9825, 20973, 34955, 104865, 174775, 524325, 915821, 2747463, 4579105, 13737315, 22895525, 68686575]

約数ペア:

[(1, 68686575), (3, 22895525), (5, 13737315), (15, 4579105), (25, 2747463), (75, 915821), (131, 524325), (393, 174775), (655, 104865), (1965, 34955), (3275, 20973), (6991, 9825)]