399676869

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{9631}}^1$

素因数の和:9722

約数の個数: 32

約数和(自身を含む): 624153600

約数和(自身を除く): 224476731

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 261, 477, 783, 1431, 1537, 4611, 9631, 13833, 28893, 41499, 86679, 260037, 279299, 510443, 837897, 1531329, 2513691, 4593987, 7541073, 13781961, 14802847, 44408541, 133225623, 399676869]

約数ペア:

[(1, 399676869), (3, 133225623), (9, 44408541), (27, 14802847), (29, 13781961), (53, 7541073), (87, 4593987), (159, 2513691), (261, 1531329), (477, 837897), (783, 510443), (1431, 279299), (1537, 260037), (4611, 86679), (9631, 41499), (13833, 28893)]