13210221

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1951}}^1$

素因数の和:2052

約数の個数: 16

約数和(自身を含む): 18395648

約数和(自身を除く): 5185427

約数列:

[1, 3, 37, 61, 111, 183, 1951, 2257, 5853, 6771, 72187, 119011, 216561, 357033, 4403407, 13210221]

約数ペア:

[(1, 13210221), (3, 4403407), (37, 357033), (61, 216561), (111, 119011), (183, 72187), (1951, 6771), (2257, 5853)]