16221855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2029}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 28647360

約数和(自身を除く): 12425505

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2029, 2665, 6087, 7995, 10145, 26377, 30435, 79131, 83189, 131885, 249567, 395655, 415945, 1081457, 1247835, 3244371, 5407285, 16221855]

約数ペア:

[(1, 16221855), (3, 5407285), (5, 3244371), (13, 1247835), (15, 1081457), (39, 415945), (41, 395655), (65, 249567), (123, 131885), (195, 83189), (205, 79131), (533, 30435), (615, 26377), (1599, 10145), (2029, 7995), (2665, 6087)]