15005991

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 28385280

約数和(自身を除く): 13379289

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 57, 77, 91, 133, 143, 209, 231, 247, 263, 273, 399, 429, 627, 741, 789, 1001, 1463, 1729, 1841, 2717, 2893, 3003, 3419, 4389, 4997, 5187, 5523, 8151, 8679, 10257, 14991, 19019, 20251, 23933, 34979, 37609, 54967, 57057, 60753, 64961, 71799, 104937, 112827, 164901, 194883, 263263, 384769, 454727, 714571, 789789, 1154307, 1364181, 2143713, 5001997, 15005991]

約数ペア:

[(1, 15005991), (3, 5001997), (7, 2143713), (11, 1364181), (13, 1154307), (19, 789789), (21, 714571), (33, 454727), (39, 384769), (57, 263263), (77, 194883), (91, 164901), (133, 112827), (143, 104937), (209, 71799), (231, 64961), (247, 60753), (263, 57057), (273, 54967), (399, 37609), (429, 34979), (627, 23933), (741, 20251), (789, 19019), (1001, 14991), (1463, 10257), (1729, 8679), (1841, 8151), (2717, 5523), (2893, 5187), (3003, 4997), (3419, 4389)]