71072991

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3923}}^1$

素因数の和:4004

約数の個数: 32

約数和(自身を含む): 116778240

約数和(自身を除く): 45705249

約数列:

[1, 3, 9, 11, 27, 33, 61, 99, 183, 297, 549, 671, 1647, 2013, 3923, 6039, 11769, 18117, 35307, 43153, 105921, 129459, 239303, 388377, 717909, 1165131, 2153727, 2632333, 6461181, 7896999, 23690997, 71072991]

約数ペア:

[(1, 71072991), (3, 23690997), (9, 7896999), (11, 6461181), (27, 2632333), (33, 2153727), (61, 1165131), (99, 717909), (183, 388377), (297, 239303), (549, 129459), (671, 105921), (1647, 43153), (2013, 35307), (3923, 18117), (6039, 11769)]