81461745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78707}}^1$

素因数の和:78741

約数の個数: 24

約数和(自身を含む): 147341376

約数和(自身を除く): 65879631

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 78707, 236121, 393535, 708363, 1180605, 1810261, 3541815, 5430783, 9051305, 16292349, 27153915, 81461745]

約数ペア:

[(1, 81461745), (3, 27153915), (5, 16292349), (9, 9051305), (15, 5430783), (23, 3541815), (45, 1810261), (69, 1180605), (115, 708363), (207, 393535), (345, 236121), (1035, 78707)]