31156257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 21374943

約数列:

[1, 3, 11, 17, 19, 33, 37, 51, 57, 79, 111, 187, 209, 237, 323, 407, 561, 627, 629, 703, 869, 969, 1221, 1343, 1501, 1887, 2109, 2607, 2923, 3553, 4029, 4503, 6919, 7733, 8769, 10659, 11951, 14773, 16511, 20757, 23199, 25517, 32153, 35853, 44319, 49533, 49691, 55537, 76551, 96459, 131461, 149073, 166611, 280687, 394383, 546601, 610907, 842061, 944129, 1639803, 1832721, 2832387, 10385419, 31156257]

約数ペア:

[(1, 31156257), (3, 10385419), (11, 2832387), (17, 1832721), (19, 1639803), (33, 944129), (37, 842061), (51, 610907), (57, 546601), (79, 394383), (111, 280687), (187, 166611), (209, 149073), (237, 131461), (323, 96459), (407, 76551), (561, 55537), (627, 49691), (629, 49533), (703, 44319), (869, 35853), (969, 32153), (1221, 25517), (1343, 23199), (1501, 20757), (1887, 16511), (2109, 14773), (2607, 11951), (2923, 10659), (3553, 8769), (4029, 7733), (4503, 6919)]