72419751

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 113000448

約数和(自身を除く): 40580697

約数列:

[1, 3, 9, 27, 31, 81, 93, 151, 191, 279, 453, 573, 837, 1359, 1719, 2511, 4077, 4681, 5157, 5921, 12231, 14043, 15471, 17763, 28841, 42129, 53289, 86523, 126387, 159867, 259569, 379161, 479601, 778707, 894071, 2336121, 2682213, 8046639, 24139917, 72419751]

約数ペア:

[(1, 72419751), (3, 24139917), (9, 8046639), (27, 2682213), (31, 2336121), (81, 894071), (93, 778707), (151, 479601), (191, 379161), (279, 259569), (453, 159867), (573, 126387), (837, 86523), (1359, 53289), (1719, 42129), (2511, 28841), (4077, 17763), (4681, 15471), (5157, 14043), (5921, 12231)]