311553621

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2087}}^1$

素因数の和:2215

約数の個数: 40

約数和(自身を含む): 495190080

約数和(自身を除く): 183636459

約数列:

[1, 3, 9, 19, 27, 57, 81, 97, 171, 291, 513, 873, 1539, 1843, 2087, 2619, 5529, 6261, 7857, 16587, 18783, 39653, 49761, 56349, 118959, 149283, 169047, 202439, 356877, 607317, 1070631, 1821951, 3211893, 3846341, 5465853, 11539023, 16397559, 34617069, 103851207, 311553621]

約数ペア:

[(1, 311553621), (3, 103851207), (9, 34617069), (19, 16397559), (27, 11539023), (57, 5465853), (81, 3846341), (97, 3211893), (171, 1821951), (291, 1070631), (513, 607317), (873, 356877), (1539, 202439), (1843, 169047), (2087, 149283), (2619, 118959), (5529, 56349), (6261, 49761), (7857, 39653), (16587, 18783)]