2645865

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 4878720

約数和(自身を除く): 2232855

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 139, 141, 235, 405, 417, 423, 695, 705, 1251, 1269, 2085, 2115, 3753, 3807, 6255, 6345, 6533, 11259, 18765, 19035, 19599, 32665, 56295, 58797, 97995, 176391, 293985, 529173, 881955, 2645865]

約数ペア:

[(1, 2645865), (3, 881955), (5, 529173), (9, 293985), (15, 176391), (27, 97995), (45, 58797), (47, 56295), (81, 32665), (135, 19599), (139, 19035), (141, 18765), (235, 11259), (405, 6533), (417, 6345), (423, 6255), (695, 3807), (705, 3753), (1251, 2115), (1269, 2085)]