8118747

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 15095808

約数和(自身を除く): 6977061

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 431, 483, 819, 897, 1293, 1449, 2093, 2691, 3017, 3879, 5603, 6279, 9051, 9913, 16809, 18837, 27153, 29739, 39221, 50427, 69391, 89217, 117663, 128869, 208173, 352989, 386607, 624519, 902083, 1159821, 2706249, 8118747]

約数ペア:

[(1, 8118747), (3, 2706249), (7, 1159821), (9, 902083), (13, 624519), (21, 386607), (23, 352989), (39, 208173), (63, 128869), (69, 117663), (91, 89217), (117, 69391), (161, 50427), (207, 39221), (273, 29739), (299, 27153), (431, 18837), (483, 16809), (819, 9913), (897, 9051), (1293, 6279), (1449, 5603), (2093, 3879), (2691, 3017)]