81514185

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{677}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 136684800

約数和(自身を除く): 55170615

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 349, 677, 1047, 1745, 2031, 3385, 5235, 8027, 10155, 15571, 24081, 40135, 46713, 77855, 120405, 233565, 236273, 708819, 1181365, 3544095, 5434279, 16302837, 27171395, 81514185]

約数ペア:

[(1, 81514185), (3, 27171395), (5, 16302837), (15, 5434279), (23, 3544095), (69, 1181365), (115, 708819), (345, 236273), (349, 233565), (677, 120405), (1047, 77855), (1745, 46713), (2031, 40135), (3385, 24081), (5235, 15571), (8027, 10155)]