1388289555

素因数分解:

$3^2\times 5^1\times {\mathrm{2969}}^1\times {\mathrm{10391}}^1$

素因数の和:13371

約数の個数: 24

約数和(自身を含む): 2407410720

約数和(自身を除く): 1019121165

約数列:

[1, 3, 5, 9, 15, 45, 2969, 8907, 10391, 14845, 26721, 31173, 44535, 51955, 93519, 133605, 155865, 467595, 30850879, 92552637, 154254395, 277657911, 462763185, 1388289555]

約数ペア:

[(1, 1388289555), (3, 462763185), (5, 277657911), (9, 154254395), (15, 92552637), (45, 30850879), (2969, 467595), (8907, 155865), (10391, 133605), (14845, 93519), (26721, 51955), (31173, 44535)]