12868947

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 24111360

約数和(自身を除く): 11242413

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 827, 1197, 1729, 2223, 2481, 5187, 5789, 7443, 10751, 15561, 15713, 17367, 32253, 47139, 52101, 75257, 96759, 109991, 141417, 204269, 225771, 329973, 612807, 677313, 989919, 1429883, 1838421, 4289649, 12868947]

約数ペア:

[(1, 12868947), (3, 4289649), (7, 1838421), (9, 1429883), (13, 989919), (19, 677313), (21, 612807), (39, 329973), (57, 225771), (63, 204269), (91, 141417), (117, 109991), (133, 96759), (171, 75257), (247, 52101), (273, 47139), (399, 32253), (741, 17367), (819, 15713), (827, 15561), (1197, 10751), (1729, 7443), (2223, 5789), (2481, 5187)]