280054773

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 420654080

約数和(自身を除く): 140599307

約数列:

[1, 3, 9, 27, 193, 223, 241, 579, 669, 723, 1737, 2007, 2169, 5211, 6021, 6507, 43039, 46513, 53743, 129117, 139539, 161229, 387351, 418617, 483687, 1162053, 1255851, 1451061, 10372399, 31117197, 93351591, 280054773]

約数ペア:

[(1, 280054773), (3, 93351591), (9, 31117197), (27, 10372399), (193, 1451061), (223, 1255851), (241, 1162053), (579, 483687), (669, 418617), (723, 387351), (1737, 161229), (2007, 139539), (2169, 129117), (5211, 53743), (6021, 46513), (6507, 43039)]