16517715

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 10853805

約数列:

[1, 3, 5, 15, 53, 79, 159, 237, 263, 265, 395, 789, 795, 1185, 1315, 3945, 4187, 12561, 13939, 20777, 20935, 41817, 62331, 62805, 69695, 103885, 209085, 311655, 1101181, 3303543, 5505905, 16517715]

約数ペア:

[(1, 16517715), (3, 5505905), (5, 3303543), (15, 1101181), (53, 311655), (79, 209085), (159, 103885), (237, 69695), (263, 62805), (265, 62331), (395, 41817), (789, 20935), (795, 20777), (1185, 13939), (1315, 12561), (3945, 4187)]