68273751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 121540608

約数和(自身を除く): 53266857

約数列:

[1, 3, 7, 13, 17, 21, 39, 47, 51, 91, 119, 141, 221, 273, 313, 329, 357, 611, 663, 799, 939, 987, 1547, 1833, 2191, 2397, 4069, 4277, 4641, 5321, 5593, 6573, 10387, 12207, 12831, 14711, 15963, 16779, 28483, 31161, 37247, 44133, 69173, 72709, 85449, 102977, 111741, 191243, 207519, 218127, 250087, 308931, 484211, 573729, 750261, 1338701, 1452633, 1750609, 3251131, 4016103, 5251827, 9753393, 22757917, 68273751]

約数ペア:

[(1, 68273751), (3, 22757917), (7, 9753393), (13, 5251827), (17, 4016103), (21, 3251131), (39, 1750609), (47, 1452633), (51, 1338701), (91, 750261), (119, 573729), (141, 484211), (221, 308931), (273, 250087), (313, 218127), (329, 207519), (357, 191243), (611, 111741), (663, 102977), (799, 85449), (939, 72709), (987, 69173), (1547, 44133), (1833, 37247), (2191, 31161), (2397, 28483), (4069, 16779), (4277, 15963), (4641, 14711), (5321, 12831), (5593, 12207), (6573, 10387)]