2782215

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 5088960

約数和(自身を除く): 2306745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 557, 999, 1665, 1671, 2785, 4995, 5013, 8355, 15039, 20609, 25065, 61827, 75195, 103045, 185481, 309135, 556443, 927405, 2782215]

約数ペア:

[(1, 2782215), (3, 927405), (5, 556443), (9, 309135), (15, 185481), (27, 103045), (37, 75195), (45, 61827), (111, 25065), (135, 20609), (185, 15039), (333, 8355), (555, 5013), (557, 4995), (999, 2785), (1665, 1671)]