7425740721

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{29873}}^1$

素因数の和:29998

約数の個数: 48

約数和(自身を含む): 12260289600

約数和(自身を除く): 4834548879

約数列:

[1, 3, 7, 19, 21, 49, 57, 89, 133, 147, 267, 399, 623, 931, 1691, 1869, 2793, 4361, 5073, 11837, 13083, 29873, 35511, 82859, 89619, 209111, 248577, 567587, 627333, 1463777, 1702761, 2658697, 3973109, 4391331, 7976091, 11919327, 18610879, 27811763, 50515243, 55832637, 83435289, 130276153, 151545729, 353606701, 390828459, 1060820103, 2475246907, 7425740721]

約数ペア:

[(1, 7425740721), (3, 2475246907), (7, 1060820103), (19, 390828459), (21, 353606701), (49, 151545729), (57, 130276153), (89, 83435289), (133, 55832637), (147, 50515243), (267, 27811763), (399, 18610879), (623, 11919327), (931, 7976091), (1691, 4391331), (1869, 3973109), (2793, 2658697), (4361, 1702761), (5073, 1463777), (11837, 627333), (13083, 567587), (29873, 248577), (35511, 209111), (82859, 89619)]