31269069

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 21146931

約数列:

[1, 3, 9, 13, 17, 39, 51, 79, 117, 153, 199, 221, 237, 597, 663, 711, 1027, 1343, 1791, 1989, 2587, 3081, 3383, 4029, 7761, 9243, 10149, 12087, 15721, 17459, 23283, 30447, 43979, 47163, 52377, 131937, 141489, 157131, 204373, 267257, 395811, 613119, 801771, 1839357, 2405313, 3474341, 10423023, 31269069]

約数ペア:

[(1, 31269069), (3, 10423023), (9, 3474341), (13, 2405313), (17, 1839357), (39, 801771), (51, 613119), (79, 395811), (117, 267257), (153, 204373), (199, 157131), (221, 141489), (237, 131937), (597, 52377), (663, 47163), (711, 43979), (1027, 30447), (1343, 23283), (1791, 17459), (1989, 15721), (2587, 12087), (3081, 10149), (3383, 9243), (4029, 7761)]