20180151327

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{443}}^1\times {\mathrm{2843}}^1$

素因数の和:3412

約数の個数: 48

約数和(自身を含む): 31669418880

約数和(自身を除く): 11489267553

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 443, 763, 1329, 2289, 2843, 3101, 5341, 8529, 9303, 16023, 19901, 21707, 48287, 59703, 65121, 139307, 144861, 309887, 338009, 417921, 929661, 1014027, 1259449, 2169209, 2366063, 3778347, 6507627, 7098189, 8816143, 15184463, 26448429, 45553389, 61713001, 137279941, 185139003, 411839823, 960959587, 2882878761, 6726717109, 20180151327]

約数ペア:

[(1, 20180151327), (3, 6726717109), (7, 2882878761), (21, 960959587), (49, 411839823), (109, 185139003), (147, 137279941), (327, 61713001), (443, 45553389), (763, 26448429), (1329, 15184463), (2289, 8816143), (2843, 7098189), (3101, 6507627), (5341, 3778347), (8529, 2366063), (9303, 2169209), (16023, 1259449), (19901, 1014027), (21707, 929661), (48287, 417921), (59703, 338009), (65121, 309887), (139307, 144861)]