31361967

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 56347200

約数和(自身を除く): 24985233

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 149, 257, 273, 447, 771, 819, 1043, 1341, 1799, 1937, 2313, 3129, 3341, 5397, 5811, 9387, 10023, 13559, 16191, 17433, 23387, 30069, 38293, 40677, 70161, 114879, 122031, 210483, 268051, 344637, 497809, 804153, 1493427, 2412459, 3484663, 4480281, 10453989, 31361967]

約数ペア:

[(1, 31361967), (3, 10453989), (7, 4480281), (9, 3484663), (13, 2412459), (21, 1493427), (39, 804153), (63, 497809), (91, 344637), (117, 268051), (149, 210483), (257, 122031), (273, 114879), (447, 70161), (771, 40677), (819, 38293), (1043, 30069), (1341, 23387), (1799, 17433), (1937, 16191), (2313, 13559), (3129, 10023), (3341, 9387), (5397, 5811)]