90797889

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 156280320

約数和(自身を除く): 65482431

約数列:

[1, 3, 7, 13, 21, 37, 39, 89, 91, 101, 111, 259, 267, 273, 303, 481, 623, 707, 777, 1157, 1313, 1443, 1869, 2121, 3293, 3367, 3471, 3737, 3939, 8099, 8989, 9191, 9879, 10101, 11211, 23051, 24297, 26159, 26967, 27573, 42809, 48581, 62923, 69153, 78477, 116857, 128427, 145743, 188769, 299663, 332593, 340067, 350571, 817999, 898989, 997779, 1020201, 2328151, 2453997, 4323709, 6984453, 12971127, 30265963, 90797889]

約数ペア:

[(1, 90797889), (3, 30265963), (7, 12971127), (13, 6984453), (21, 4323709), (37, 2453997), (39, 2328151), (89, 1020201), (91, 997779), (101, 898989), (111, 817999), (259, 350571), (267, 340067), (273, 332593), (303, 299663), (481, 188769), (623, 145743), (707, 128427), (777, 116857), (1157, 78477), (1313, 69153), (1443, 62923), (1869, 48581), (2121, 42809), (3293, 27573), (3367, 26967), (3471, 26159), (3737, 24297), (3939, 23051), (8099, 11211), (8989, 10101), (9191, 9879)]