13021905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 22974336

約数和(自身を除く): 9952431

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1553, 1677, 2795, 4659, 7765, 8385, 20189, 23295, 60567, 66779, 100945, 200337, 302835, 333895, 868127, 1001685, 2604381, 4340635, 13021905]

約数ペア:

[(1, 13021905), (3, 4340635), (5, 2604381), (13, 1001685), (15, 868127), (39, 333895), (43, 302835), (65, 200337), (129, 100945), (195, 66779), (215, 60567), (559, 23295), (645, 20189), (1553, 8385), (1677, 7765), (2795, 4659)]