2655585

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 40

約数和(自身を含む): 4878720

約数和(自身を除く): 2223135

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 83, 135, 237, 249, 395, 405, 415, 711, 747, 1185, 1245, 2133, 2241, 3555, 3735, 6399, 6557, 6723, 10665, 11205, 19671, 31995, 32785, 33615, 59013, 98355, 177039, 295065, 531117, 885195, 2655585]

約数ペア:

[(1, 2655585), (3, 885195), (5, 531117), (9, 295065), (15, 177039), (27, 98355), (45, 59013), (79, 33615), (81, 32785), (83, 31995), (135, 19671), (237, 11205), (249, 10665), (395, 6723), (405, 6557), (415, 6399), (711, 3735), (747, 3555), (1185, 2241), (1245, 2133)]