123547815

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21283}}^1$

素因数の和:21340

約数の個数: 32

約数和(自身を含む): 224759040

約数和(自身を除く): 101211225

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 21283, 63849, 106415, 191547, 319245, 574641, 915169, 957735, 2745507, 2873205, 4575845, 8236521, 13727535, 24709563, 41182605, 123547815]

約数ペア:

[(1, 123547815), (3, 41182605), (5, 24709563), (9, 13727535), (15, 8236521), (27, 4575845), (43, 2873205), (45, 2745507), (129, 957735), (135, 915169), (215, 574641), (387, 319245), (645, 191547), (1161, 106415), (1935, 63849), (5805, 21283)]