1205559

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 1872000

約数和(自身を除く): 666441

約数列:

[1, 3, 9, 29, 31, 87, 93, 149, 261, 279, 447, 899, 1341, 2697, 4321, 4619, 8091, 12963, 13857, 38889, 41571, 133951, 401853, 1205559]

約数ペア:

[(1, 1205559), (3, 401853), (9, 133951), (29, 41571), (31, 38889), (87, 13857), (93, 12963), (149, 8091), (261, 4619), (279, 4321), (447, 2697), (899, 1341)]