51016815

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{16921}}^1$

素因数の和:16999

約数の個数: 24

約数和(自身を含む): 89754288

約数和(自身を除く): 38737473

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 16921, 50763, 84605, 152289, 253815, 761445, 1133707, 3401121, 5668535, 10203363, 17005605, 51016815]

約数ペア:

[(1, 51016815), (3, 17005605), (5, 10203363), (9, 5668535), (15, 3401121), (45, 1133707), (67, 761445), (201, 253815), (335, 152289), (603, 84605), (1005, 50763), (3015, 16921)]