221567385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{36653}}^1$

素因数の和:36705

約数の個数: 32

約数和(自身を含む): 394103808

約数和(自身を除く): 172536423

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 6045, 36653, 109959, 183265, 476489, 549795, 1136243, 1429467, 2382445, 3408729, 5681215, 7147335, 14771159, 17043645, 44313477, 73855795, 221567385]

約数ペア:

[(1, 221567385), (3, 73855795), (5, 44313477), (13, 17043645), (15, 14771159), (31, 7147335), (39, 5681215), (65, 3408729), (93, 2382445), (155, 1429467), (195, 1136243), (403, 549795), (465, 476489), (1209, 183265), (2015, 109959), (6045, 36653)]