12808815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 21620736

約数和(自身を除く): 8811921

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 271, 345, 411, 685, 813, 1355, 2055, 3151, 4065, 6233, 9453, 15755, 18699, 31165, 37127, 47265, 93495, 111381, 185635, 556905, 853921, 2561763, 4269605, 12808815]

約数ペア:

[(1, 12808815), (3, 4269605), (5, 2561763), (15, 853921), (23, 556905), (69, 185635), (115, 111381), (137, 93495), (271, 47265), (345, 37127), (411, 31165), (685, 18699), (813, 15755), (1355, 9453), (2055, 6233), (3151, 4065)]