290721921

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{30293}}^1$

素因数の和:30760

約数の個数: 16

約数和(自身を含む): 443988864

約数和(自身を除く): 153266943

約数列:

[1, 3, 7, 21, 457, 1371, 3199, 9597, 30293, 90879, 212051, 636153, 13843901, 41531703, 96907307, 290721921]

約数ペア:

[(1, 290721921), (3, 96907307), (7, 41531703), (21, 13843901), (457, 636153), (1371, 212051), (3199, 90879), (9597, 30293)]