28737423

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 50633856

約数和(自身を除く): 21896433

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 243, 297, 351, 429, 827, 891, 1053, 1287, 2481, 2673, 3159, 3861, 7443, 9097, 10751, 11583, 22329, 27291, 32253, 34749, 66987, 81873, 96759, 118261, 200961, 245619, 290277, 354783, 736857, 870831, 1064349, 2210571, 2612493, 3193047, 9579141, 28737423]

約数ペア:

[(1, 28737423), (3, 9579141), (9, 3193047), (11, 2612493), (13, 2210571), (27, 1064349), (33, 870831), (39, 736857), (81, 354783), (99, 290277), (117, 245619), (143, 200961), (243, 118261), (297, 96759), (351, 81873), (429, 66987), (827, 34749), (891, 32253), (1053, 27291), (1287, 22329), (2481, 11583), (2673, 10751), (3159, 9097), (3861, 7443)]