64491765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2029}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 111861120

約数和(自身を除く): 47369355

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 815, 2029, 2119, 2445, 6087, 6357, 10145, 10595, 26377, 30435, 31785, 79131, 131885, 330727, 395655, 992181, 1653635, 4299451, 4960905, 12898353, 21497255, 64491765]

約数ペア:

[(1, 64491765), (3, 21497255), (5, 12898353), (13, 4960905), (15, 4299451), (39, 1653635), (65, 992181), (163, 395655), (195, 330727), (489, 131885), (815, 79131), (2029, 31785), (2119, 30435), (2445, 26377), (6087, 10595), (6357, 10145)]