278380658421

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1\times {\mathrm{19301}}^1$

素因数の和:20166

約数の個数: 48

約数和(自身を含む): 422248235760

約数和(自身を除く): 143867577339

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 757, 2117, 2271, 6351, 6813, 19053, 19301, 21953, 55261, 57903, 65859, 165783, 173709, 197577, 497349, 559729, 1408973, 1602569, 1679187, 4226919, 4807707, 5037561, 12680757, 14423121, 14610857, 40860217, 43832571, 122580651, 131497713, 367741953, 423714853, 1066592561, 1271144559, 3199777683, 3813433677, 9599333049, 30931184269, 92793552807, 278380658421]

約数ペア:

[(1, 278380658421), (3, 92793552807), (9, 30931184269), (29, 9599333049), (73, 3813433677), (87, 3199777683), (219, 1271144559), (261, 1066592561), (657, 423714853), (757, 367741953), (2117, 131497713), (2271, 122580651), (6351, 43832571), (6813, 40860217), (19053, 14610857), (19301, 14423121), (21953, 12680757), (55261, 5037561), (57903, 4807707), (65859, 4226919), (165783, 1679187), (173709, 1602569), (197577, 1408973), (497349, 559729)]