12718019385

素因数分解:

$3^4\times 5^1\times {\mathrm{2557}}^1\times {\mathrm{12281}}^1$

素因数の和:14855

約数の個数: 40

約数和(自身を含む): 22809000456

約数和(自身を除く): 10090981071

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2557, 7671, 12281, 12785, 23013, 36843, 38355, 61405, 69039, 110529, 115065, 184215, 207117, 331587, 345195, 552645, 994761, 1035585, 1657935, 4973805, 31402517, 94207551, 157012585, 282622653, 471037755, 847867959, 1413113265, 2543603877, 4239339795, 12718019385]

約数ペア:

[(1, 12718019385), (3, 4239339795), (5, 2543603877), (9, 1413113265), (15, 847867959), (27, 471037755), (45, 282622653), (81, 157012585), (135, 94207551), (405, 31402517), (2557, 4973805), (7671, 1657935), (12281, 1035585), (12785, 994761), (23013, 552645), (36843, 345195), (38355, 331587), (61405, 207117), (69039, 184215), (110529, 115065)]