223838511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 327022080

約数和(自身を除く): 103183569

約数列:

[1, 3, 13, 39, 139, 157, 263, 417, 471, 789, 1807, 2041, 3419, 5421, 6123, 10257, 21823, 36557, 41291, 65469, 109671, 123873, 283699, 475241, 536783, 851097, 1425723, 1610349, 5739449, 17218347, 74612837, 223838511]

約数ペア:

[(1, 223838511), (3, 74612837), (13, 17218347), (39, 5739449), (139, 1610349), (157, 1425723), (263, 851097), (417, 536783), (471, 475241), (789, 283699), (1807, 123873), (2041, 109671), (3419, 65469), (5421, 41291), (6123, 36557), (10257, 21823)]