1861905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 3225600

約数和(自身を除く): 1363695

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 139, 141, 235, 285, 417, 695, 705, 893, 2085, 2641, 2679, 4465, 6533, 7923, 13205, 13395, 19599, 32665, 39615, 97995, 124127, 372381, 620635, 1861905]

約数ペア:

[(1, 1861905), (3, 620635), (5, 372381), (15, 124127), (19, 97995), (47, 39615), (57, 32665), (95, 19599), (139, 13395), (141, 13205), (235, 7923), (285, 6533), (417, 4465), (695, 2679), (705, 2641), (893, 2085)]