27825515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 37863936

約数和(自身を除く): 10038421

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 331, 391, 731, 989, 1655, 1955, 3655, 4945, 5627, 7613, 14233, 16813, 28135, 38065, 71165, 84065, 129421, 241961, 327359, 647105, 1209805, 1636795, 5565103, 27825515]

約数ペア:

[(1, 27825515), (5, 5565103), (17, 1636795), (23, 1209805), (43, 647105), (85, 327359), (115, 241961), (215, 129421), (331, 84065), (391, 71165), (731, 38065), (989, 28135), (1655, 16813), (1955, 14233), (3655, 7613), (4945, 5627)]