51789459

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 75202560

約数和(自身を除く): 23413101

約数列:

[1, 3, 19, 57, 67, 71, 191, 201, 213, 573, 1273, 1349, 3629, 3819, 4047, 4757, 10887, 12797, 13561, 14271, 38391, 40683, 90383, 243143, 257659, 271149, 729429, 772977, 908587, 2725761, 17263153, 51789459]

約数ペア:

[(1, 51789459), (3, 17263153), (19, 2725761), (57, 908587), (67, 772977), (71, 729429), (191, 271149), (201, 257659), (213, 243143), (573, 90383), (1273, 40683), (1349, 38391), (3629, 14271), (3819, 13561), (4047, 12797), (4757, 10887)]