221640165

素因数分解:

$3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5927}}^1$

素因数の和:6218

約数の個数: 32

約数和(自身を含む): 395516160

約数和(自身を除く): 173875995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 277, 831, 1385, 2493, 4155, 5927, 7479, 12465, 17781, 29635, 37395, 53343, 88905, 160029, 266715, 800145, 1641779, 4925337, 8208895, 14776011, 24626685, 44328033, 73880055, 221640165]

約数ペア:

[(1, 221640165), (3, 73880055), (5, 44328033), (9, 24626685), (15, 14776011), (27, 8208895), (45, 4925337), (135, 1641779), (277, 800145), (831, 266715), (1385, 160029), (2493, 88905), (4155, 53343), (5927, 37395), (7479, 29635), (12465, 17781)]