71980065

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37199}}^1$

素因数の和:37253

約数の個数: 24

約数和(自身を含む): 127670400

約数和(自身を除く): 55690335

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 37199, 111597, 185995, 334791, 557985, 1599557, 1673955, 4798671, 7997785, 14396013, 23993355, 71980065]

約数ペア:

[(1, 71980065), (3, 23993355), (5, 14396013), (9, 7997785), (15, 4798671), (43, 1673955), (45, 1599557), (129, 557985), (215, 334791), (387, 185995), (645, 111597), (1935, 37199)]