12561237

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 20599040

約数和(自身を除く): 8037803

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 151, 237, 351, 453, 711, 1027, 1053, 1359, 1963, 2133, 3081, 4077, 5889, 6399, 9243, 11929, 12231, 17667, 27729, 35787, 53001, 83187, 107361, 155077, 159003, 322083, 465231, 966249, 1395693, 4187079, 12561237]

約数ペア:

[(1, 12561237), (3, 4187079), (9, 1395693), (13, 966249), (27, 465231), (39, 322083), (79, 159003), (81, 155077), (117, 107361), (151, 83187), (237, 53001), (351, 35787), (453, 27729), (711, 17667), (1027, 12231), (1053, 11929), (1359, 9243), (1963, 6399), (2133, 5889), (3081, 4077)]