64990545

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1399}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 110208000

約数和(自身を除く): 45217455

約数列:

[1, 3, 5, 15, 19, 57, 95, 163, 285, 489, 815, 1399, 2445, 3097, 4197, 6995, 9291, 15485, 20985, 26581, 46455, 79743, 132905, 228037, 398715, 684111, 1140185, 3420555, 4332703, 12998109, 21663515, 64990545]

約数ペア:

[(1, 64990545), (3, 21663515), (5, 12998109), (15, 4332703), (19, 3420555), (57, 1140185), (95, 684111), (163, 398715), (285, 228037), (489, 132905), (815, 79743), (1399, 46455), (2445, 26581), (3097, 20985), (4197, 15485), (6995, 9291)]