780825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 1339200

約数和(自身を除く): 558375

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 359, 435, 725, 1077, 1795, 2175, 5385, 8975, 10411, 26925, 31233, 52055, 156165, 260275, 780825]

約数ペア:

[(1, 780825), (3, 260275), (5, 156165), (15, 52055), (25, 31233), (29, 26925), (75, 10411), (87, 8975), (145, 5385), (359, 2175), (435, 1795), (725, 1077)]