78796875

素因数分解:

$3^1\times 5^6\times {\mathrm{41}}^2$

素因数の和:115

約数の個数: 42

約数和(自身を含む): 134607652

約数和(自身を除く): 55810777

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 615, 625, 1025, 1681, 1875, 3075, 3125, 5043, 5125, 8405, 9375, 15375, 15625, 25215, 25625, 42025, 46875, 76875, 126075, 128125, 210125, 384375, 630375, 640625, 1050625, 1921875, 3151875, 5253125, 15759375, 26265625, 78796875]

約数ペア:

[(1, 78796875), (3, 26265625), (5, 15759375), (15, 5253125), (25, 3151875), (41, 1921875), (75, 1050625), (123, 640625), (125, 630375), (205, 384375), (375, 210125), (615, 128125), (625, 126075), (1025, 76875), (1681, 46875), (1875, 42025), (3075, 25625), (3125, 25215), (5043, 15625), (5125, 15375), (8405, 9375)]