861363531

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1181}}^1$

素因数の和:1441

約数の個数: 64

約数和(自身を含む): 1552296960

約数和(自身を除く): 690933429

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 227, 357, 459, 681, 1071, 1181, 1589, 2043, 3213, 3543, 3859, 4767, 6129, 8267, 10629, 11577, 14301, 20077, 24801, 27013, 31887, 34731, 42903, 60231, 74403, 81039, 104193, 140539, 180693, 223209, 243117, 268087, 421617, 542079, 729351, 804261, 1264851, 1876609, 2412783, 3794553, 4557479, 5629827, 7238349, 13672437, 16889481, 31902353, 41017311, 50668443, 95707059, 123051933, 287121177, 861363531]

約数ペア:

[(1, 861363531), (3, 287121177), (7, 123051933), (9, 95707059), (17, 50668443), (21, 41017311), (27, 31902353), (51, 16889481), (63, 13672437), (119, 7238349), (153, 5629827), (189, 4557479), (227, 3794553), (357, 2412783), (459, 1876609), (681, 1264851), (1071, 804261), (1181, 729351), (1589, 542079), (2043, 421617), (3213, 268087), (3543, 243117), (3859, 223209), (4767, 180693), (6129, 140539), (8267, 104193), (10629, 81039), (11577, 74403), (14301, 60231), (20077, 42903), (24801, 34731), (27013, 31887)]