205840915

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{36529}}^1$

素因数の和:36571

約数の個数: 24

約数和(自身を含む): 299838240

約数和(自身を除く): 93997325

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 36529, 182645, 255703, 840167, 1278515, 1789921, 4200835, 5881169, 8949605, 29405845, 41168183, 205840915]

約数ペア:

[(1, 205840915), (5, 41168183), (7, 29405845), (23, 8949605), (35, 5881169), (49, 4200835), (115, 1789921), (161, 1278515), (245, 840167), (805, 255703), (1127, 182645), (5635, 36529)]