215619759

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{811}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 328697600

約数和(自身を除く): 113077841

約数列:

[1, 3, 9, 27, 43, 129, 229, 387, 687, 811, 1161, 2061, 2433, 6183, 7299, 9847, 21897, 29541, 34873, 88623, 104619, 185719, 265869, 313857, 557157, 941571, 1671471, 5014413, 7985917, 23957751, 71873253, 215619759]

約数ペア:

[(1, 215619759), (3, 71873253), (9, 23957751), (27, 7985917), (43, 5014413), (129, 1671471), (229, 941571), (387, 557157), (687, 313857), (811, 265869), (1161, 185719), (2061, 104619), (2433, 88623), (6183, 34873), (7299, 29541), (9847, 21897)]