64356825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 115617600

約数和(自身を除く): 51260775

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 149, 195, 325, 443, 447, 745, 975, 1329, 1937, 2215, 2235, 3725, 5759, 5811, 6645, 9685, 11075, 11175, 17277, 28795, 29055, 33225, 48425, 66007, 86385, 143975, 145275, 198021, 330035, 431925, 858091, 990105, 1650175, 2574273, 4290455, 4950525, 12871365, 21452275, 64356825]

約数ペア:

[(1, 64356825), (3, 21452275), (5, 12871365), (13, 4950525), (15, 4290455), (25, 2574273), (39, 1650175), (65, 990105), (75, 858091), (149, 431925), (195, 330035), (325, 198021), (443, 145275), (447, 143975), (745, 86385), (975, 66007), (1329, 48425), (1937, 33225), (2215, 29055), (2235, 28795), (3725, 17277), (5759, 11175), (5811, 11075), (6645, 9685)]