28918209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8317}}^1$

素因数の和:8400

約数の個数: 16

約数和(自身を含む): 41257280

約数和(自身を除く): 12339071

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 8317, 24951, 158023, 474069, 507337, 1522011, 9639403, 28918209]

約数ペア:

[(1, 28918209), (3, 9639403), (19, 1522011), (57, 507337), (61, 474069), (183, 158023), (1159, 24951), (3477, 8317)]