31307661

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^2$

素因数の和:112

約数の個数: 72

約数和(自身を含む): 59881920

約数和(自身を除く): 28574259

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 63, 77, 99, 111, 121, 189, 231, 259, 297, 333, 363, 407, 693, 777, 847, 999, 1089, 1221, 1369, 2079, 2331, 2541, 2849, 3267, 3663, 4107, 4477, 6993, 7623, 8547, 9583, 10989, 12321, 13431, 15059, 22869, 25641, 28749, 31339, 36963, 40293, 45177, 76923, 86247, 94017, 105413, 120879, 135531, 165649, 258741, 282051, 316239, 406593, 496947, 846153, 948717, 1159543, 1490841, 2846151, 3478629, 4472523, 10435887, 31307661]

約数ペア:

[(1, 31307661), (3, 10435887), (7, 4472523), (9, 3478629), (11, 2846151), (21, 1490841), (27, 1159543), (33, 948717), (37, 846153), (63, 496947), (77, 406593), (99, 316239), (111, 282051), (121, 258741), (189, 165649), (231, 135531), (259, 120879), (297, 105413), (333, 94017), (363, 86247), (407, 76923), (693, 45177), (777, 40293), (847, 36963), (999, 31339), (1089, 28749), (1221, 25641), (1369, 22869), (2079, 15059), (2331, 13431), (2541, 12321), (2849, 10989), (3267, 9583), (3663, 8547), (4107, 7623), (4477, 6993)]