65220675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 117159168

約数和(自身を除く): 51938493

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 151, 195, 325, 443, 453, 755, 975, 1329, 1963, 2215, 2265, 3775, 5759, 5889, 6645, 9815, 11075, 11325, 17277, 28795, 29445, 33225, 49075, 66893, 86385, 143975, 147225, 200679, 334465, 431925, 869609, 1003395, 1672325, 2608827, 4348045, 5016975, 13044135, 21740225, 65220675]

約数ペア:

[(1, 65220675), (3, 21740225), (5, 13044135), (13, 5016975), (15, 4348045), (25, 2608827), (39, 1672325), (65, 1003395), (75, 869609), (151, 431925), (195, 334465), (325, 200679), (443, 147225), (453, 143975), (755, 86385), (975, 66893), (1329, 49075), (1963, 33225), (2215, 29445), (2265, 28795), (3775, 17277), (5759, 11325), (5889, 11075), (6645, 9815)]