179997471

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1337

約数の個数: 40

約数和(自身を含む): 284359680

約数和(自身を除く): 104362209

約数列:

[1, 3, 9, 23, 27, 69, 79, 81, 207, 237, 621, 711, 1223, 1817, 1863, 2133, 3669, 5451, 6399, 11007, 16353, 28129, 33021, 49059, 84387, 96617, 99063, 147177, 253161, 289851, 759483, 869553, 2222191, 2278449, 2608659, 6666573, 7825977, 19999719, 59999157, 179997471]

約数ペア:

[(1, 179997471), (3, 59999157), (9, 19999719), (23, 7825977), (27, 6666573), (69, 2608659), (79, 2278449), (81, 2222191), (207, 869553), (237, 759483), (621, 289851), (711, 253161), (1223, 147177), (1817, 99063), (1863, 96617), (2133, 84387), (3669, 49059), (5451, 33021), (6399, 28129), (11007, 16353)]