39270321

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7919}}^1$

素因数の和:7973

約数の個数: 24

約数和(自身を含む): 61776000

約数和(自身を除く): 22505679

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 7919, 23757, 71271, 150461, 229651, 451383, 688953, 1354149, 2066859, 4363369, 13090107, 39270321]

約数ペア:

[(1, 39270321), (3, 13090107), (9, 4363369), (19, 2066859), (29, 1354149), (57, 688953), (87, 451383), (171, 229651), (261, 150461), (551, 71271), (1653, 23757), (4959, 7919)]