28840539

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19059621

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1187, 1869, 3471, 3561, 8099, 8309, 15431, 24297, 24927, 46293, 105643, 108017, 316929, 324051, 739501, 1373359, 2218503, 4120077, 9613513, 28840539]

約数ペア:

[(1, 28840539), (3, 9613513), (7, 4120077), (13, 2218503), (21, 1373359), (39, 739501), (89, 324051), (91, 316929), (267, 108017), (273, 105643), (623, 46293), (1157, 24927), (1187, 24297), (1869, 15431), (3471, 8309), (3561, 8099)]