215682915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{9049}}^1$

素因数の和:9291

約数の個数: 32

約数和(自身を含む): 396172800

約数和(自身を除く): 180489885

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 227, 681, 1135, 1589, 3405, 4767, 7945, 9049, 23835, 27147, 45245, 63343, 135735, 190029, 316715, 950145, 2054123, 6162369, 10270615, 14378861, 30811845, 43136583, 71894305, 215682915]

約数ペア:

[(1, 215682915), (3, 71894305), (5, 43136583), (7, 30811845), (15, 14378861), (21, 10270615), (35, 6162369), (105, 2054123), (227, 950145), (681, 316715), (1135, 190029), (1589, 135735), (3405, 63343), (4767, 45245), (7945, 27147), (9049, 23835)]