628446075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{194867}}^1$

素因数の和:194923

約数の個数: 24

約数和(自身を含む): 1063199808

約数和(自身を除く): 434753733

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 194867, 584601, 974335, 2923005, 4871675, 8379281, 14615025, 25137843, 41896405, 125689215, 209482025, 628446075]

約数ペア:

[(1, 628446075), (3, 209482025), (5, 125689215), (15, 41896405), (25, 25137843), (43, 14615025), (75, 8379281), (129, 4871675), (215, 2923005), (645, 974335), (1075, 584601), (3225, 194867)]