71849775

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{22279}}^1$

素因数の和:22335

約数の個数: 24

約数和(自身を含む): 121559680

約数和(自身を除く): 49709905

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 22279, 66837, 111395, 334185, 556975, 957997, 1670925, 2873991, 4789985, 14369955, 23949925, 71849775]

約数ペア:

[(1, 71849775), (3, 23949925), (5, 14369955), (15, 4789985), (25, 2873991), (43, 1670925), (75, 957997), (129, 556975), (215, 334185), (645, 111395), (1075, 66837), (3225, 22279)]