156972123357

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7219}}^1\times {\mathrm{54497}}^1$

素因数の和:61745

約数の個数: 32

約数和(自身を含む): 251824358400

約数和(自身を除く): 94852235043

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 7219, 21657, 50533, 54497, 137161, 151599, 163491, 381479, 411483, 960127, 1035443, 1144437, 2880381, 3106329, 7248101, 21744303, 393413843, 1180241529, 2753896901, 7474863017, 8261690703, 22424589051, 52324041119, 156972123357]

約数ペア:

[(1, 156972123357), (3, 52324041119), (7, 22424589051), (19, 8261690703), (21, 7474863017), (57, 2753896901), (133, 1180241529), (399, 393413843), (7219, 21744303), (21657, 7248101), (50533, 3106329), (54497, 2880381), (137161, 1144437), (151599, 1035443), (163491, 960127), (381479, 411483)]