85474557

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 145297152

約数和(自身を除く): 59822595

約数列:

[1, 3, 7, 9, 21, 63, 71, 97, 197, 213, 291, 497, 591, 639, 679, 873, 1379, 1491, 1773, 2037, 4137, 4473, 6111, 6887, 12411, 13987, 19109, 20661, 41961, 48209, 57327, 61983, 97909, 125883, 133763, 144627, 171981, 293727, 401289, 433881, 881181, 1203867, 1356739, 4070217, 9497173, 12210651, 28491519, 85474557]

約数ペア:

[(1, 85474557), (3, 28491519), (7, 12210651), (9, 9497173), (21, 4070217), (63, 1356739), (71, 1203867), (97, 881181), (197, 433881), (213, 401289), (291, 293727), (497, 171981), (591, 144627), (639, 133763), (679, 125883), (873, 97909), (1379, 61983), (1491, 57327), (1773, 48209), (2037, 41961), (4137, 20661), (4473, 19109), (6111, 13987), (6887, 12411)]