220173933

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 341692416

約数和(自身を除く): 121518483

約数列:

[1, 3, 7, 21, 103, 137, 309, 411, 721, 743, 959, 2163, 2229, 2877, 5201, 14111, 15603, 42333, 76529, 98777, 101791, 229587, 296331, 305373, 535703, 712537, 1607109, 2137611, 10484473, 31453419, 73391311, 220173933]

約数ペア:

[(1, 220173933), (3, 73391311), (7, 31453419), (21, 10484473), (103, 2137611), (137, 1607109), (309, 712537), (411, 535703), (721, 305373), (743, 296331), (959, 229587), (2163, 101791), (2229, 98777), (2877, 76529), (5201, 42333), (14111, 15603)]