16178481

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 28569600

約数和(自身を除く): 12391119

約数列:

[1, 3, 9, 11, 19, 27, 33, 47, 57, 61, 99, 141, 171, 183, 209, 297, 423, 513, 517, 549, 627, 671, 893, 1159, 1269, 1551, 1647, 1881, 2013, 2679, 2867, 3477, 4653, 5643, 6039, 8037, 8601, 9823, 10431, 12749, 13959, 18117, 24111, 25803, 29469, 31293, 31537, 38247, 54473, 77409, 88407, 94611, 114741, 163419, 265221, 283833, 344223, 490257, 599203, 851499, 1470771, 1797609, 5392827, 16178481]

約数ペア:

[(1, 16178481), (3, 5392827), (9, 1797609), (11, 1470771), (19, 851499), (27, 599203), (33, 490257), (47, 344223), (57, 283833), (61, 265221), (99, 163419), (141, 114741), (171, 94611), (183, 88407), (209, 77409), (297, 54473), (423, 38247), (513, 31537), (517, 31293), (549, 29469), (627, 25803), (671, 24111), (893, 18117), (1159, 13959), (1269, 12749), (1551, 10431), (1647, 9823), (1881, 8601), (2013, 8037), (2679, 6039), (2867, 5643), (3477, 4653)]