249553605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{1721}}^1$

素因数の和:3117

約数の個数: 32

約数和(自身を含む): 456922368

約数和(自身を除く): 207368763

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1381, 1721, 4143, 5163, 6905, 8605, 9667, 12047, 20715, 25815, 29001, 36141, 48335, 60235, 145005, 180705, 2376701, 7130103, 11883505, 16636907, 35650515, 49910721, 83184535, 249553605]

約数ペア:

[(1, 249553605), (3, 83184535), (5, 49910721), (7, 35650515), (15, 16636907), (21, 11883505), (35, 7130103), (105, 2376701), (1381, 180705), (1721, 145005), (4143, 60235), (5163, 48335), (6905, 36141), (8605, 29001), (9667, 25815), (12047, 20715)]