651375

素因数分解:

$3^3\times 5^3\times {\mathrm{193}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 1210560

約数和(自身を除く): 559185

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 193, 225, 375, 579, 675, 965, 1125, 1737, 2895, 3375, 4825, 5211, 8685, 14475, 24125, 26055, 43425, 72375, 130275, 217125, 651375]

約数ペア:

[(1, 651375), (3, 217125), (5, 130275), (9, 72375), (15, 43425), (25, 26055), (27, 24125), (45, 14475), (75, 8685), (125, 5211), (135, 4825), (193, 3375), (225, 2895), (375, 1737), (579, 1125), (675, 965)]