2167965

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 3998808

約数和(自身を除く): 1830843

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 101, 135, 159, 265, 303, 405, 477, 505, 795, 909, 1431, 1515, 2385, 2727, 4293, 4545, 5353, 7155, 8181, 13635, 16059, 21465, 26765, 40905, 48177, 80295, 144531, 240885, 433593, 722655, 2167965]

約数ペア:

[(1, 2167965), (3, 722655), (5, 433593), (9, 240885), (15, 144531), (27, 80295), (45, 48177), (53, 40905), (81, 26765), (101, 21465), (135, 16059), (159, 13635), (265, 8181), (303, 7155), (405, 5353), (477, 4545), (505, 4293), (795, 2727), (909, 2385), (1431, 1515)]