123456645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 231678720

約数和(自身を除く): 108222075

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 239, 585, 717, 883, 1195, 2151, 2649, 3107, 3585, 4415, 7947, 9321, 10755, 11479, 13245, 15535, 27963, 34437, 39735, 46605, 57395, 103311, 139815, 172185, 211037, 516555, 633111, 1055185, 1899333, 2743481, 3165555, 8230443, 9496665, 13717405, 24691329, 41152215, 123456645]

約数ペア:

[(1, 123456645), (3, 41152215), (5, 24691329), (9, 13717405), (13, 9496665), (15, 8230443), (39, 3165555), (45, 2743481), (65, 1899333), (117, 1055185), (195, 633111), (239, 516555), (585, 211037), (717, 172185), (883, 139815), (1195, 103311), (2151, 57395), (2649, 46605), (3107, 39735), (3585, 34437), (4415, 27963), (7947, 15535), (9321, 13245), (10755, 11479)]