51991263

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 76858496

約数和(自身を除く): 24867233

約数列:

[1, 3, 9, 67, 151, 201, 453, 571, 603, 1359, 1713, 5139, 10117, 30351, 38257, 86221, 91053, 114771, 258663, 344313, 775989, 5776807, 17330421, 51991263]

約数ペア:

[(1, 51991263), (3, 17330421), (9, 5776807), (67, 775989), (151, 344313), (201, 258663), (453, 114771), (571, 91053), (603, 86221), (1359, 38257), (1713, 30351), (5139, 10117)]