81432365

素因数分解:

$5^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{653}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 114070680

約数和(自身を除く): 32638315

約数列:

[1, 5, 7, 35, 49, 245, 509, 653, 2545, 3265, 3563, 4571, 17815, 22855, 24941, 31997, 124705, 159985, 332377, 1661885, 2326639, 11633195, 16286473, 81432365]

約数ペア:

[(1, 81432365), (5, 16286473), (7, 11633195), (35, 2326639), (49, 1661885), (245, 332377), (509, 159985), (653, 124705), (2545, 31997), (3265, 24941), (3563, 22855), (4571, 17815)]