151338621

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 250904576

約数和(自身を除く): 99565955

約数列:

[1, 3, 7, 21, 31, 37, 61, 93, 103, 111, 183, 217, 259, 309, 427, 651, 721, 777, 1147, 1281, 1891, 2163, 2257, 3193, 3441, 3811, 5673, 6283, 6771, 8029, 9579, 11433, 13237, 15799, 18849, 22351, 24087, 26677, 39711, 43981, 47397, 67053, 69967, 80031, 118141, 131943, 194773, 209901, 232471, 354423, 489769, 584319, 697413, 826987, 1363411, 1469307, 1627297, 2480961, 4090233, 4881891, 7206601, 21619803, 50446207, 151338621]

約数ペア:

[(1, 151338621), (3, 50446207), (7, 21619803), (21, 7206601), (31, 4881891), (37, 4090233), (61, 2480961), (93, 1627297), (103, 1469307), (111, 1363411), (183, 826987), (217, 697413), (259, 584319), (309, 489769), (427, 354423), (651, 232471), (721, 209901), (777, 194773), (1147, 131943), (1281, 118141), (1891, 80031), (2163, 69967), (2257, 67053), (3193, 47397), (3441, 43981), (3811, 39711), (5673, 26677), (6283, 24087), (6771, 22351), (8029, 18849), (9579, 15799), (11433, 13237)]