212926779

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{12907}}^1$

素因数の和:12976

約数の個数: 32

約数和(自身を含む): 346967040

約数和(自身を除く): 134040261

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1833, 5499, 12907, 16497, 38721, 116163, 167791, 348489, 503373, 606629, 1510119, 1819887, 4530357, 5459661, 7886177, 16378983, 23658531, 70975593, 212926779]

約数ペア:

[(1, 212926779), (3, 70975593), (9, 23658531), (13, 16378983), (27, 7886177), (39, 5459661), (47, 4530357), (117, 1819887), (141, 1510119), (351, 606629), (423, 503373), (611, 348489), (1269, 167791), (1833, 116163), (5499, 38721), (12907, 16497)]