65904975

素因数分解:

$3^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 122016000

約数和(自身を除く): 56111025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 163, 225, 489, 599, 675, 815, 1467, 1797, 2445, 2995, 4075, 4401, 5391, 7335, 8985, 12225, 14975, 16173, 22005, 26955, 36675, 44925, 80865, 97637, 110025, 134775, 292911, 404325, 488185, 878733, 1464555, 2440925, 2636199, 4393665, 7322775, 13180995, 21968325, 65904975]

約数ペア:

[(1, 65904975), (3, 21968325), (5, 13180995), (9, 7322775), (15, 4393665), (25, 2636199), (27, 2440925), (45, 1464555), (75, 878733), (135, 488185), (163, 404325), (225, 292911), (489, 134775), (599, 110025), (675, 97637), (815, 80865), (1467, 44925), (1797, 36675), (2445, 26955), (2995, 22005), (4075, 16173), (4401, 14975), (5391, 12225), (7335, 8985)]