19740225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6121}}^1$

素因数の和:6177

約数の個数: 24

約数和(自身を含む): 33401632

約数和(自身を除く): 13661407

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6121, 18363, 30605, 91815, 153025, 263203, 459075, 789609, 1316015, 3948045, 6580075, 19740225]

約数ペア:

[(1, 19740225), (3, 6580075), (5, 3948045), (15, 1316015), (25, 789609), (43, 459075), (75, 263203), (129, 153025), (215, 91815), (645, 30605), (1075, 18363), (3225, 6121)]