409090419

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{52067}}^1$

素因数の和:52176

約数の個数: 20

約数和(自身を含む): 617422344

約数和(自身を除く): 208331925

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 7857, 52067, 156201, 468603, 1405809, 4217427, 5050499, 15151497, 45454491, 136363473, 409090419]

約数ペア:

[(1, 409090419), (3, 136363473), (9, 45454491), (27, 15151497), (81, 5050499), (97, 4217427), (291, 1405809), (873, 468603), (2619, 156201), (7857, 52067)]