54321111

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 40

約数和(自身を含む): 88630080

約数和(自身を除く): 34308969

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 237, 351, 653, 711, 1027, 1053, 1959, 2133, 3081, 5877, 6399, 8489, 9243, 17631, 25467, 27729, 51587, 52893, 76401, 83187, 154761, 229203, 464283, 670631, 687609, 1392849, 2011893, 4178547, 6035679, 18107037, 54321111]

約数ペア:

[(1, 54321111), (3, 18107037), (9, 6035679), (13, 4178547), (27, 2011893), (39, 1392849), (79, 687609), (81, 670631), (117, 464283), (237, 229203), (351, 154761), (653, 83187), (711, 76401), (1027, 52893), (1053, 51587), (1959, 27729), (2133, 25467), (3081, 17631), (5877, 9243), (6399, 8489)]