987491979

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 1508637312

約数和(自身を除く): 521145333

約数列:

[1, 3, 9, 27, 81, 107, 163, 233, 243, 321, 489, 699, 963, 1467, 2097, 2889, 4401, 6291, 8667, 13203, 17441, 18873, 24931, 26001, 37979, 39609, 52323, 56619, 74793, 113937, 156969, 224379, 341811, 470907, 673137, 1025433, 1412721, 2019411, 3076299, 4063753, 4238163, 6058233, 9228897, 12191259, 36573777, 109721331, 329163993, 987491979]

約数ペア:

[(1, 987491979), (3, 329163993), (9, 109721331), (27, 36573777), (81, 12191259), (107, 9228897), (163, 6058233), (233, 4238163), (243, 4063753), (321, 3076299), (489, 2019411), (699, 1412721), (963, 1025433), (1467, 673137), (2097, 470907), (2889, 341811), (4401, 224379), (6291, 156969), (8667, 113937), (13203, 74793), (17441, 56619), (18873, 52323), (24931, 39609), (26001, 37979)]