1236406779

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 1918144800

約数和(自身を除く): 681738021

約数列:

[1, 3, 9, 19, 57, 89, 137, 171, 267, 411, 593, 801, 1233, 1691, 1779, 2603, 5073, 5337, 7809, 11267, 12193, 15219, 23427, 33801, 36579, 52777, 81241, 101403, 109737, 158331, 231667, 243723, 474993, 695001, 731169, 1002763, 1543579, 2085003, 3008289, 4630737, 7230449, 9024867, 13892211, 21691347, 65074041, 137378531, 412135593, 1236406779]

約数ペア:

[(1, 1236406779), (3, 412135593), (9, 137378531), (19, 65074041), (57, 21691347), (89, 13892211), (137, 9024867), (171, 7230449), (267, 4630737), (411, 3008289), (593, 2085003), (801, 1543579), (1233, 1002763), (1691, 731169), (1779, 695001), (2603, 474993), (5073, 243723), (5337, 231667), (7809, 158331), (11267, 109737), (12193, 101403), (15219, 81241), (23427, 52777), (33801, 36579)]