218683641

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{887}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 330080256

約数和(自身を除く): 111396615

約数列:

[1, 3, 11, 31, 33, 93, 241, 341, 723, 887, 1023, 2651, 2661, 7471, 7953, 9757, 22413, 27497, 29271, 82181, 82491, 213767, 246543, 302467, 641301, 907401, 2351437, 6626777, 7054311, 19880331, 72894547, 218683641]

約数ペア:

[(1, 218683641), (3, 72894547), (11, 19880331), (31, 7054311), (33, 6626777), (93, 2351437), (241, 907401), (341, 641301), (723, 302467), (887, 246543), (1023, 213767), (2651, 82491), (2661, 82181), (7471, 29271), (7953, 27497), (9757, 22413)]