213565185

素因数分解:

$3^2\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{2777}}^1$

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 370529640

約数和(自身を除く): 156964455

約数列:

[1, 3, 5, 9, 15, 45, 1709, 2777, 5127, 8331, 8545, 13885, 15381, 24993, 25635, 41655, 76905, 124965, 4745893, 14237679, 23729465, 42713037, 71188395, 213565185]

約数ペア:

[(1, 213565185), (3, 71188395), (5, 42713037), (9, 23729465), (15, 14237679), (45, 4745893), (1709, 124965), (2777, 76905), (5127, 41655), (8331, 25635), (8545, 24993), (13885, 15381)]