64493325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 131819688

約数和(自身を除く): 67326363

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 425, 585, 663, 765, 975, 1105, 1275, 1297, 1989, 2925, 3315, 3825, 3891, 5525, 6485, 9945, 11673, 16575, 16861, 19455, 22049, 32425, 49725, 50583, 58365, 66147, 84305, 97275, 110245, 151749, 198441, 252915, 286637, 291825, 330735, 421525, 551225, 758745, 859911, 992205, 1264575, 1433185, 1653675, 2579733, 3793725, 4299555, 4961025, 7165925, 12898665, 21497775, 64493325]

約数ペア:

[(1, 64493325), (3, 21497775), (5, 12898665), (9, 7165925), (13, 4961025), (15, 4299555), (17, 3793725), (25, 2579733), (39, 1653675), (45, 1433185), (51, 1264575), (65, 992205), (75, 859911), (85, 758745), (117, 551225), (153, 421525), (195, 330735), (221, 291825), (225, 286637), (255, 252915), (325, 198441), (425, 151749), (585, 110245), (663, 97275), (765, 84305), (975, 66147), (1105, 58365), (1275, 50583), (1297, 49725), (1989, 32425), (2925, 22049), (3315, 19455), (3825, 16861), (3891, 16575), (5525, 11673), (6485, 9945)]