1636905

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 2799360

約数和(自身を除く): 1162455

約数列:

[1, 3, 5, 15, 29, 53, 71, 87, 145, 159, 213, 265, 355, 435, 795, 1065, 1537, 2059, 3763, 4611, 6177, 7685, 10295, 11289, 18815, 23055, 30885, 56445, 109127, 327381, 545635, 1636905]

約数ペア:

[(1, 1636905), (3, 545635), (5, 327381), (15, 109127), (29, 56445), (53, 30885), (71, 23055), (87, 18815), (145, 11289), (159, 10295), (213, 7685), (265, 6177), (355, 4611), (435, 3763), (795, 2059), (1065, 1537)]