51990213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 80156160

約数和(自身を除く): 28165947

約数列:

[1, 3, 11, 19, 33, 57, 209, 283, 293, 627, 849, 879, 3113, 3223, 5377, 5567, 9339, 9669, 16131, 16701, 59147, 61237, 82919, 177441, 183711, 248757, 912109, 1575461, 2736327, 4726383, 17330071, 51990213]

約数ペア:

[(1, 51990213), (3, 17330071), (11, 4726383), (19, 2736327), (33, 1575461), (57, 912109), (209, 248757), (283, 183711), (293, 177441), (627, 82919), (849, 61237), (879, 59147), (3113, 16701), (3223, 16131), (5377, 9669), (5567, 9339)]