7421253

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 11821056

約数和(自身を除く): 4399803

約数列:

[1, 3, 7, 21, 47, 73, 103, 141, 219, 309, 329, 511, 721, 987, 1533, 2163, 3431, 4841, 7519, 10293, 14523, 22557, 24017, 33887, 52633, 72051, 101661, 157899, 353393, 1060179, 2473751, 7421253]

約数ペア:

[(1, 7421253), (3, 2473751), (7, 1060179), (21, 353393), (47, 157899), (73, 101661), (103, 72051), (141, 52633), (219, 33887), (309, 24017), (329, 22557), (511, 14523), (721, 10293), (987, 7519), (1533, 4841), (2163, 3431)]