289095285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{16921}}^1$

素因数の和:17013

約数の個数: 32

約数和(自身を含む): 497100672

約数和(自身を除く): 208005387

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 3417, 5695, 16921, 17085, 50763, 84605, 253815, 287657, 862971, 1133707, 1438285, 3401121, 4314855, 5668535, 17005605, 19273019, 57819057, 96365095, 289095285]

約数ペア:

[(1, 289095285), (3, 96365095), (5, 57819057), (15, 19273019), (17, 17005605), (51, 5668535), (67, 4314855), (85, 3401121), (201, 1438285), (255, 1133707), (335, 862971), (1005, 287657), (1139, 253815), (3417, 84605), (5695, 50763), (16921, 17085)]