68958885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 126213120

約数和(自身を除く): 57254235

約数列:

[1, 3, 5, 15, 17, 19, 43, 51, 57, 85, 95, 129, 215, 255, 285, 323, 331, 645, 731, 817, 969, 993, 1615, 1655, 2193, 2451, 3655, 4085, 4845, 4965, 5627, 6289, 10965, 12255, 13889, 14233, 16881, 18867, 28135, 31445, 41667, 42699, 69445, 71165, 84405, 94335, 106913, 208335, 213495, 241961, 270427, 320739, 534565, 725883, 811281, 1209805, 1352135, 1603695, 3629415, 4056405, 4597259, 13791777, 22986295, 68958885]

約数ペア:

[(1, 68958885), (3, 22986295), (5, 13791777), (15, 4597259), (17, 4056405), (19, 3629415), (43, 1603695), (51, 1352135), (57, 1209805), (85, 811281), (95, 725883), (129, 534565), (215, 320739), (255, 270427), (285, 241961), (323, 213495), (331, 208335), (645, 106913), (731, 94335), (817, 84405), (969, 71165), (993, 69445), (1615, 42699), (1655, 41667), (2193, 31445), (2451, 28135), (3655, 18867), (4085, 16881), (4845, 14233), (4965, 13889), (5627, 12255), (6289, 10965)]