18141291

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1907}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 30161664

約数和(自身を除く): 12020373

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 1907, 3171, 5721, 9513, 13349, 17163, 40047, 120141, 287957, 863871, 2015699, 2591613, 6047097, 18141291]

約数ペア:

[(1, 18141291), (3, 6047097), (7, 2591613), (9, 2015699), (21, 863871), (63, 287957), (151, 120141), (453, 40047), (1057, 17163), (1359, 13349), (1907, 9513), (3171, 5721)]