253820985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{66883}}^1$

素因数の和:66925

約数の個数: 32

約数和(自身を含む): 462302208

約数和(自身を除く): 208481223

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 66883, 200649, 334415, 735713, 1003245, 1538309, 2207139, 3678565, 4614927, 7691545, 11035695, 16921399, 23074635, 50764197, 84606995, 253820985]

約数ペア:

[(1, 253820985), (3, 84606995), (5, 50764197), (11, 23074635), (15, 16921399), (23, 11035695), (33, 7691545), (55, 4614927), (69, 3678565), (115, 2207139), (165, 1538309), (253, 1003245), (345, 735713), (759, 334415), (1265, 200649), (3795, 66883)]