51689043

素因数分解:

$3^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{557}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 87851520

約数和(自身を除く): 36162477

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 491, 557, 1473, 1671, 3437, 3899, 4419, 5013, 10311, 11697, 13257, 15039, 30933, 35091, 92799, 105273, 273487, 820461, 1914409, 2461383, 5743227, 7384149, 17229681, 51689043]

約数ペア:

[(1, 51689043), (3, 17229681), (7, 7384149), (9, 5743227), (21, 2461383), (27, 1914409), (63, 820461), (189, 273487), (491, 105273), (557, 92799), (1473, 35091), (1671, 30933), (3437, 15039), (3899, 13257), (4419, 11697), (5013, 10311)]