31395483

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 23955813

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 329, 423, 461, 483, 987, 1081, 1383, 1449, 2961, 3227, 3243, 4149, 7567, 9681, 9729, 10603, 21667, 22701, 29043, 31809, 65001, 68103, 74221, 95427, 151669, 195003, 222663, 455007, 498341, 667989, 1365021, 1495023, 3488387, 4485069, 10465161, 31395483]

約数ペア:

[(1, 31395483), (3, 10465161), (7, 4485069), (9, 3488387), (21, 1495023), (23, 1365021), (47, 667989), (63, 498341), (69, 455007), (141, 222663), (161, 195003), (207, 151669), (329, 95427), (423, 74221), (461, 68103), (483, 65001), (987, 31809), (1081, 29043), (1383, 22701), (1449, 21667), (2961, 10603), (3227, 9729), (3243, 9681), (4149, 7567)]