201269439

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 342311424

約数和(自身を除く): 141041985

約数列:

[1, 3, 7, 9, 21, 61, 63, 83, 183, 249, 427, 549, 581, 631, 747, 1281, 1743, 1893, 3843, 4417, 5063, 5229, 5679, 13251, 15189, 35441, 38491, 39753, 45567, 52373, 106323, 115473, 157119, 269437, 318969, 346419, 366611, 471357, 808311, 1099833, 2424933, 3194753, 3299499, 9584259, 22363271, 28752777, 67089813, 201269439]

約数ペア:

[(1, 201269439), (3, 67089813), (7, 28752777), (9, 22363271), (21, 9584259), (61, 3299499), (63, 3194753), (83, 2424933), (183, 1099833), (249, 808311), (427, 471357), (549, 366611), (581, 346419), (631, 318969), (747, 269437), (1281, 157119), (1743, 115473), (1893, 106323), (3843, 52373), (4417, 45567), (5063, 39753), (5229, 38491), (5679, 35441), (13251, 15189)]