661657221

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{35159}}^1$

素因数の和:35226

約数の個数: 32

約数和(自身を含む): 1063238400

約数和(自身を除く): 401581179

約数列:

[1, 3, 9, 17, 27, 41, 51, 123, 153, 369, 459, 697, 1107, 2091, 6273, 18819, 35159, 105477, 316431, 597703, 949293, 1441519, 1793109, 4324557, 5379327, 12973671, 16137981, 24505823, 38921013, 73517469, 220552407, 661657221]

約数ペア:

[(1, 661657221), (3, 220552407), (9, 73517469), (17, 38921013), (27, 24505823), (41, 16137981), (51, 12973671), (123, 5379327), (153, 4324557), (369, 1793109), (459, 1441519), (697, 949293), (1107, 597703), (2091, 316431), (6273, 105477), (18819, 35159)]