27801825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 48854016

約数和(自身を除く): 21052191

約数列:

[1, 3, 5, 15, 23, 25, 69, 71, 75, 115, 213, 227, 345, 355, 575, 681, 1065, 1135, 1633, 1725, 1775, 3405, 4899, 5221, 5325, 5675, 8165, 15663, 16117, 17025, 24495, 26105, 40825, 48351, 78315, 80585, 122475, 130525, 241755, 370691, 391575, 402925, 1112073, 1208775, 1853455, 5560365, 9267275, 27801825]

約数ペア:

[(1, 27801825), (3, 9267275), (5, 5560365), (15, 1853455), (23, 1208775), (25, 1112073), (69, 402925), (71, 391575), (75, 370691), (115, 241755), (213, 130525), (227, 122475), (345, 80585), (355, 78315), (575, 48351), (681, 40825), (1065, 26105), (1135, 24495), (1633, 17025), (1725, 16117), (1775, 15663), (3405, 8165), (4899, 5675), (5221, 5325)]