31067631

素因数分解:

$3^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 53530400

約数和(自身を除く): 22462769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 157, 189, 349, 471, 567, 1047, 1099, 1413, 2443, 3141, 3297, 4239, 7329, 9423, 9891, 12717, 21987, 28269, 29673, 54793, 65961, 89019, 164379, 197883, 383551, 493137, 1150653, 1479411, 3451959, 4438233, 10355877, 31067631]

約数ペア:

[(1, 31067631), (3, 10355877), (7, 4438233), (9, 3451959), (21, 1479411), (27, 1150653), (63, 493137), (81, 383551), (157, 197883), (189, 164379), (349, 89019), (471, 65961), (567, 54793), (1047, 29673), (1099, 28269), (1413, 21987), (2443, 12717), (3141, 9891), (3297, 9423), (4239, 7329)]