51493815

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 36

約数和(自身を含む): 90929592

約数和(自身を除く): 39435777

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 227, 355, 639, 681, 1065, 1135, 2043, 3195, 3405, 5041, 10215, 15123, 16117, 25205, 45369, 48351, 75615, 80585, 145053, 226845, 241755, 725265, 1144307, 3432921, 5721535, 10298763, 17164605, 51493815]

約数ペア:

[(1, 51493815), (3, 17164605), (5, 10298763), (9, 5721535), (15, 3432921), (45, 1144307), (71, 725265), (213, 241755), (227, 226845), (355, 145053), (639, 80585), (681, 75615), (1065, 48351), (1135, 45369), (2043, 25205), (3195, 16117), (3405, 15123), (5041, 10215)]