220049985

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 357540480

約数和(自身を除く): 137490495

約数列:

[1, 3, 5, 15, 113, 197, 339, 565, 591, 659, 985, 1695, 1977, 2955, 3295, 9885, 22261, 66783, 74467, 111305, 129823, 223401, 333915, 372335, 389469, 649115, 1117005, 1947345, 14669999, 44009997, 73349995, 220049985]

約数ペア:

[(1, 220049985), (3, 73349995), (5, 44009997), (15, 14669999), (113, 1947345), (197, 1117005), (339, 649115), (565, 389469), (591, 372335), (659, 333915), (985, 223401), (1695, 129823), (1977, 111305), (2955, 74467), (3295, 66783), (9885, 22261)]