220151331

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1471}}^1$

素因数の和:1744

約数の個数: 32

約数和(自身を含む): 341975040

約数和(自身を除く): 121823709

約数列:

[1, 3, 9, 23, 27, 69, 207, 241, 621, 723, 1471, 2169, 4413, 5543, 6507, 13239, 16629, 33833, 39717, 49887, 101499, 149661, 304497, 354511, 913491, 1063533, 3190599, 8153753, 9571797, 24461259, 73383777, 220151331]

約数ペア:

[(1, 220151331), (3, 73383777), (9, 24461259), (23, 9571797), (27, 8153753), (69, 3190599), (207, 1063533), (241, 913491), (621, 354511), (723, 304497), (1471, 149661), (2169, 101499), (4413, 49887), (5543, 39717), (6507, 33833), (13239, 16629)]