217406790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2415631}}^1$

素因数の和:2415644

約数の個数: 24

約数和(自身を含む): 565257888

約数和(自身を除く): 347851098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2415631, 4831262, 7246893, 12078155, 14493786, 21740679, 24156310, 36234465, 43481358, 72468930, 108703395, 217406790]

約数ペア:

[(1, 217406790), (2, 108703395), (3, 72468930), (5, 43481358), (6, 36234465), (9, 24156310), (10, 21740679), (15, 14493786), (18, 12078155), (30, 7246893), (45, 4831262), (90, 2415631)]