20131718715

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10403989}}^1$

素因数の和:10404043

約数の個数: 24

約数和(自身を含む): 35706493680

約数和(自身を除く): 15574774965

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10403989, 31211967, 52019945, 93635901, 156059835, 447371527, 468179505, 1342114581, 2236857635, 4026343743, 6710572905, 20131718715]

約数ペア:

[(1, 20131718715), (3, 6710572905), (5, 4026343743), (9, 2236857635), (15, 1342114581), (43, 468179505), (45, 447371527), (129, 156059835), (215, 93635901), (387, 52019945), (645, 31211967), (1935, 10403989)]