1388996847

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{760261}}^1$

素因数の和:760303

約数の個数: 24

約数和(自身を含む): 2372017440

約数和(自身を除く): 983020593

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 760261, 2280783, 5321827, 6842349, 15965481, 22047569, 47896443, 66142707, 154332983, 198428121, 462998949, 1388996847]

約数ペア:

[(1, 1388996847), (3, 462998949), (7, 198428121), (9, 154332983), (21, 66142707), (29, 47896443), (63, 22047569), (87, 15965481), (203, 6842349), (261, 5321827), (609, 2280783), (1827, 760261)]