72813279

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{823}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 121503744

約数和(自身を除く): 48690465

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 383, 823, 1149, 2469, 2681, 4213, 5761, 8043, 9053, 12639, 17283, 27159, 29491, 63371, 88473, 190113, 315209, 945627, 2206463, 3467299, 6619389, 10401897, 24271093, 72813279]

約数ペア:

[(1, 72813279), (3, 24271093), (7, 10401897), (11, 6619389), (21, 3467299), (33, 2206463), (77, 945627), (231, 315209), (383, 190113), (823, 88473), (1149, 63371), (2469, 29491), (2681, 27159), (4213, 17283), (5761, 12639), (8043, 9053)]