402284727

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{264487}}^1$

素因数の和:264519

約数の個数: 18

約数和(自身を含む): 629216952

約数和(自身を除く): 226932225

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 264487, 793461, 2380383, 3438331, 10314993, 30944979, 44698303, 134094909, 402284727]

約数ペア:

[(1, 402284727), (3, 134094909), (9, 44698303), (13, 30944979), (39, 10314993), (117, 3438331), (169, 2380383), (507, 793461), (1521, 264487)]