157788689457

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{638327}}^1$

素因数の和:638565

約数の個数: 32

約数和(自身を含む): 245117952000

約数和(自身を除く): 87329262543

約数列:

[1, 3, 7, 21, 79, 149, 237, 447, 553, 1043, 1659, 3129, 11771, 35313, 82397, 247191, 638327, 1914981, 4468289, 13404867, 50427833, 95110723, 151283499, 285332169, 352994831, 665775061, 1058984493, 1997325183, 7513747117, 22541241351, 52596229819, 157788689457]

約数ペア:

[(1, 157788689457), (3, 52596229819), (7, 22541241351), (21, 7513747117), (79, 1997325183), (149, 1058984493), (237, 665775061), (447, 352994831), (553, 285332169), (1043, 151283499), (1659, 95110723), (3129, 50427833), (11771, 13404867), (35313, 4468289), (82397, 1914981), (247191, 638327)]