2050515

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 3781008

約数和(自身を除く): 1730493

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 83, 135, 183, 249, 305, 405, 415, 549, 747, 915, 1245, 1647, 2241, 2745, 3735, 4941, 5063, 6723, 8235, 11205, 15189, 24705, 25315, 33615, 45567, 75945, 136701, 227835, 410103, 683505, 2050515]

約数ペア:

[(1, 2050515), (3, 683505), (5, 410103), (9, 227835), (15, 136701), (27, 75945), (45, 45567), (61, 33615), (81, 25315), (83, 24705), (135, 15189), (183, 11205), (249, 8235), (305, 6723), (405, 5063), (415, 4941), (549, 3735), (747, 2745), (915, 2241), (1245, 1647)]