18181155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 12462045

約数列:

[1, 3, 5, 15, 23, 69, 115, 151, 345, 349, 453, 755, 1047, 1745, 2265, 3473, 5235, 8027, 10419, 17365, 24081, 40135, 52095, 52699, 120405, 158097, 263495, 790485, 1212077, 3636231, 6060385, 18181155]

約数ペア:

[(1, 18181155), (3, 6060385), (5, 3636231), (15, 1212077), (23, 790485), (69, 263495), (115, 158097), (151, 120405), (345, 52699), (349, 52095), (453, 40135), (755, 24081), (1047, 17365), (1745, 10419), (2265, 8027), (3473, 5235)]