187180191

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 312698880

約数和(自身を除く): 125518689

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 191, 209, 521, 573, 627, 1563, 1719, 1881, 2101, 3629, 4689, 5731, 6303, 9899, 10887, 17193, 18909, 29697, 32661, 39919, 51579, 89091, 99511, 108889, 119757, 298533, 326667, 359271, 895599, 980001, 1094621, 1890709, 3283863, 5672127, 9851589, 17016381, 20797799, 62393397, 187180191]

約数ペア:

[(1, 187180191), (3, 62393397), (9, 20797799), (11, 17016381), (19, 9851589), (33, 5672127), (57, 3283863), (99, 1890709), (171, 1094621), (191, 980001), (209, 895599), (521, 359271), (573, 326667), (627, 298533), (1563, 119757), (1719, 108889), (1881, 99511), (2101, 89091), (3629, 51579), (4689, 39919), (5731, 32661), (6303, 29697), (9899, 18909), (10887, 17193)]