25121205

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3511}}^1$

素因数の和:3578

約数の個数: 32

約数和(自身を含む): 45515520

約数和(自身を除く): 20394315

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 3511, 7155, 10533, 17555, 31599, 52665, 94797, 157995, 186083, 473985, 558249, 930415, 1674747, 2791245, 5024241, 8373735, 25121205]

約数ペア:

[(1, 25121205), (3, 8373735), (5, 5024241), (9, 2791245), (15, 1674747), (27, 930415), (45, 558249), (53, 473985), (135, 186083), (159, 157995), (265, 94797), (477, 52665), (795, 31599), (1431, 17555), (2385, 10533), (3511, 7155)]