2187465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 4064256

約数和(自身を除く): 1876791

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 251, 415, 581, 753, 1245, 1255, 1743, 1757, 2905, 3765, 5271, 8715, 8785, 20833, 26355, 62499, 104165, 145831, 312495, 437493, 729155, 2187465]

約数ペア:

[(1, 2187465), (3, 729155), (5, 437493), (7, 312495), (15, 145831), (21, 104165), (35, 62499), (83, 26355), (105, 20833), (249, 8785), (251, 8715), (415, 5271), (581, 3765), (753, 2905), (1245, 1757), (1255, 1743)]