648079947

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{1493}}^1$

素因数の和:1761

約数の個数: 40

約数和(自身を含む): 1015226784

約数和(自身を除く): 367146837

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 233, 621, 699, 1493, 1863, 2097, 4479, 5359, 6291, 13437, 16077, 18873, 34339, 40311, 48231, 103017, 120933, 144693, 309051, 347869, 434079, 927153, 1043607, 2781459, 3130821, 8000987, 9392463, 24002961, 28177389, 72008883, 216026649, 648079947]

約数ペア:

[(1, 648079947), (3, 216026649), (9, 72008883), (23, 28177389), (27, 24002961), (69, 9392463), (81, 8000987), (207, 3130821), (233, 2781459), (621, 1043607), (699, 927153), (1493, 434079), (1863, 347869), (2097, 309051), (4479, 144693), (5359, 120933), (6291, 103017), (13437, 48231), (16077, 40311), (18873, 34339)]