12481911

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 20401920

約数和(自身を除く): 7920009

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 827, 1161, 1677, 2481, 5031, 7443, 10751, 15093, 22329, 32253, 35561, 96759, 106683, 290277, 320049, 462293, 960147, 1386879, 4160637, 12481911]

約数ペア:

[(1, 12481911), (3, 4160637), (9, 1386879), (13, 960147), (27, 462293), (39, 320049), (43, 290277), (117, 106683), (129, 96759), (351, 35561), (387, 32253), (559, 22329), (827, 15093), (1161, 10751), (1677, 7443), (2481, 5031)]