17210991

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 27089920

約数和(自身を除く): 9878929

約数列:

[1, 3, 7, 21, 73, 103, 109, 219, 309, 327, 511, 721, 763, 1533, 2163, 2289, 7519, 7957, 11227, 22557, 23871, 33681, 52633, 55699, 78589, 157899, 167097, 235767, 819571, 2458713, 5736997, 17210991]

約数ペア:

[(1, 17210991), (3, 5736997), (7, 2458713), (21, 819571), (73, 235767), (103, 167097), (109, 157899), (219, 78589), (309, 55699), (327, 52633), (511, 33681), (721, 23871), (763, 22557), (1533, 11227), (2163, 7957), (2289, 7519)]