218502945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6907}}^1$

素因数の和:6974

約数の個数: 48

約数和(自身を含む): 409506240

約数和(自身を除く): 191003295

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 555, 703, 855, 1665, 2109, 3515, 6327, 6907, 10545, 20721, 31635, 34535, 62163, 103605, 131233, 255559, 310815, 393699, 656165, 766677, 1181097, 1277795, 1968495, 2300031, 3833385, 4855621, 5905485, 11500155, 14566863, 24278105, 43700589, 72834315, 218502945]

約数ペア:

[(1, 218502945), (3, 72834315), (5, 43700589), (9, 24278105), (15, 14566863), (19, 11500155), (37, 5905485), (45, 4855621), (57, 3833385), (95, 2300031), (111, 1968495), (171, 1277795), (185, 1181097), (285, 766677), (333, 656165), (555, 393699), (703, 310815), (855, 255559), (1665, 131233), (2109, 103605), (3515, 62163), (6327, 34535), (6907, 31635), (10545, 20721)]