81819199

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 106463232

約数和(自身を除く): 24644033

約数列:

[1, 7, 11, 31, 77, 151, 217, 227, 341, 1057, 1589, 1661, 2387, 2497, 4681, 7037, 11627, 17479, 32767, 34277, 49259, 51491, 77407, 239939, 360437, 377047, 541849, 1062587, 2639329, 7438109, 11688457, 81819199]

約数ペア:

[(1, 81819199), (7, 11688457), (11, 7438109), (31, 2639329), (77, 1062587), (151, 541849), (217, 377047), (227, 360437), (341, 239939), (1057, 77407), (1589, 51491), (1661, 49259), (2387, 34277), (2497, 32767), (4681, 17479), (7037, 11627)]