138789045

素因数分解:

$3^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1303}}^1$

素因数の和:1583

約数の個数: 40

約数和(自身を含む): 249929856

約数和(自身を除く): 111140811

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 263, 405, 789, 1303, 1315, 2367, 3909, 3945, 6515, 7101, 11727, 11835, 19545, 21303, 35181, 35505, 58635, 105543, 106515, 175905, 342689, 527715, 1028067, 1713445, 3084201, 5140335, 9252603, 15421005, 27757809, 46263015, 138789045]

約数ペア:

[(1, 138789045), (3, 46263015), (5, 27757809), (9, 15421005), (15, 9252603), (27, 5140335), (45, 3084201), (81, 1713445), (135, 1028067), (263, 527715), (405, 342689), (789, 175905), (1303, 106515), (1315, 105543), (2367, 58635), (3909, 35505), (3945, 35181), (6515, 21303), (7101, 19545), (11727, 11835)]