198895425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61673}}^1$

素因数の和:61729

約数の個数: 24

約数和(自身を含む): 336493344

約数和(自身を除く): 137597919

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 61673, 185019, 308365, 925095, 1541825, 2651939, 4625475, 7955817, 13259695, 39779085, 66298475, 198895425]

約数ペア:

[(1, 198895425), (3, 66298475), (5, 39779085), (15, 13259695), (25, 7955817), (43, 4625475), (75, 2651939), (129, 1541825), (215, 925095), (645, 308365), (1075, 185019), (3225, 61673)]