221775585

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{3361}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 366000768

約数和(自身を除く): 144225183

約数列:

[1, 3, 5, 15, 53, 83, 159, 249, 265, 415, 795, 1245, 3361, 4399, 10083, 13197, 16805, 21995, 50415, 65985, 178133, 278963, 534399, 836889, 890665, 1394815, 2671995, 4184445, 14785039, 44355117, 73925195, 221775585]

約数ペア:

[(1, 221775585), (3, 73925195), (5, 44355117), (15, 14785039), (53, 4184445), (83, 2671995), (159, 1394815), (249, 890665), (265, 836889), (415, 534399), (795, 278963), (1245, 178133), (3361, 65985), (4399, 50415), (10083, 21995), (13197, 16805)]