421423875

素因数分解:

$3^2\times 5^3\times {\mathrm{521}}^1\times {\mathrm{719}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 762203520

約数和(自身を除く): 340779645

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 521, 719, 1125, 1563, 2157, 2605, 3595, 4689, 6471, 7815, 10785, 13025, 17975, 23445, 32355, 39075, 53925, 65125, 89875, 117225, 161775, 195375, 269625, 374599, 586125, 808875, 1123797, 1872995, 3371391, 5618985, 9364975, 16856955, 28094925, 46824875, 84284775, 140474625, 421423875]

約数ペア:

[(1, 421423875), (3, 140474625), (5, 84284775), (9, 46824875), (15, 28094925), (25, 16856955), (45, 9364975), (75, 5618985), (125, 3371391), (225, 1872995), (375, 1123797), (521, 808875), (719, 586125), (1125, 374599), (1563, 269625), (2157, 195375), (2605, 161775), (3595, 117225), (4689, 89875), (6471, 65125), (7815, 53925), (10785, 39075), (13025, 32355), (17975, 23445)]