210966903

素因数分解:

$3^3\times 7^2\times {\mathrm{181}}^1\times {\mathrm{881}}^1$

素因数の和:1085

約数の個数: 48

約数和(自身を含む): 365994720

約数和(自身を除く): 155027817

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 181, 189, 441, 543, 881, 1267, 1323, 1629, 2643, 3801, 4887, 6167, 7929, 8869, 11403, 18501, 23787, 26607, 34209, 43169, 55503, 79821, 129507, 159461, 166509, 239463, 388521, 478383, 1116227, 1165563, 1435149, 3348681, 4305447, 7813589, 10046043, 23440767, 30138129, 70322301, 210966903]

約数ペア:

[(1, 210966903), (3, 70322301), (7, 30138129), (9, 23440767), (21, 10046043), (27, 7813589), (49, 4305447), (63, 3348681), (147, 1435149), (181, 1165563), (189, 1116227), (441, 478383), (543, 388521), (881, 239463), (1267, 166509), (1323, 159461), (1629, 129507), (2643, 79821), (3801, 55503), (4887, 43169), (6167, 34209), (7929, 26607), (8869, 23787), (11403, 18501)]