42570279

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 40

約数和(自身を含む): 67760000

約数和(自身を除く): 25189721

約数列:

[1, 3, 9, 19, 27, 57, 81, 139, 171, 199, 417, 513, 597, 1251, 1539, 1791, 2641, 3753, 3781, 5373, 7923, 11259, 11343, 16119, 23769, 27661, 34029, 71307, 82983, 102087, 213921, 248949, 306261, 525559, 746847, 1576677, 2240541, 4730031, 14190093, 42570279]

約数ペア:

[(1, 42570279), (3, 14190093), (9, 4730031), (19, 2240541), (27, 1576677), (57, 746847), (81, 525559), (139, 306261), (171, 248949), (199, 213921), (417, 102087), (513, 82983), (597, 71307), (1251, 34029), (1539, 27661), (1791, 23769), (2641, 16119), (3753, 11343), (3781, 11259), (5373, 7923)]