289208031

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{61757}}^1$

素因数の和:61990

約数の個数: 16

約数和(自身を含む): 442681344

約数和(自身を除く): 153473313

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 61757, 185271, 432299, 1296897, 13771811, 41315433, 96402677, 289208031]

約数ペア:

[(1, 289208031), (3, 96402677), (7, 41315433), (21, 13771811), (223, 1296897), (669, 432299), (1561, 185271), (4683, 61757)]