28921761

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{751}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 45751680

約数和(自身を除く): 16829919

約数列:

[1, 3, 9, 11, 33, 99, 389, 751, 1167, 2253, 3501, 4279, 6759, 8261, 12837, 24783, 38511, 74349, 292139, 876417, 2629251, 3213529, 9640587, 28921761]

約数ペア:

[(1, 28921761), (3, 9640587), (9, 3213529), (11, 2629251), (33, 876417), (99, 292139), (389, 74349), (751, 38511), (1167, 24783), (2253, 12837), (3501, 8261), (4279, 6759)]