81529569

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 137277504

約数和(自身を除く): 55747935

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 193, 251, 561, 579, 753, 1683, 1737, 2123, 2259, 2761, 3281, 4267, 6369, 8283, 9843, 12801, 19107, 24849, 29529, 36091, 38403, 46937, 48443, 108273, 140811, 145329, 324819, 422433, 435987, 532873, 823531, 1598619, 2470593, 4795857, 7411779, 9058841, 27176523, 81529569]

約数ペア:

[(1, 81529569), (3, 27176523), (9, 9058841), (11, 7411779), (17, 4795857), (33, 2470593), (51, 1598619), (99, 823531), (153, 532873), (187, 435987), (193, 422433), (251, 324819), (561, 145329), (579, 140811), (753, 108273), (1683, 48443), (1737, 46937), (2123, 38403), (2259, 36091), (2761, 29529), (3281, 24849), (4267, 19107), (6369, 12801), (8283, 9843)]