2991816

素因数分解:

$2^3\times 3^9\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 80

約数和(自身を含む): 8857200

約数和(自身を除く): 5865384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 243, 324, 342, 456, 486, 513, 648, 684, 729, 972, 1026, 1368, 1458, 1539, 1944, 2052, 2187, 2916, 3078, 4104, 4374, 4617, 5832, 6156, 6561, 8748, 9234, 12312, 13122, 13851, 17496, 18468, 19683, 26244, 27702, 36936, 39366, 41553, 52488, 55404, 78732, 83106, 110808, 124659, 157464, 166212, 249318, 332424, 373977, 498636, 747954, 997272, 1495908, 2991816]

約数ペア:

[(1, 2991816), (2, 1495908), (3, 997272), (4, 747954), (6, 498636), (8, 373977), (9, 332424), (12, 249318), (18, 166212), (19, 157464), (24, 124659), (27, 110808), (36, 83106), (38, 78732), (54, 55404), (57, 52488), (72, 41553), (76, 39366), (81, 36936), (108, 27702), (114, 26244), (152, 19683), (162, 18468), (171, 17496), (216, 13851), (228, 13122), (243, 12312), (324, 9234), (342, 8748), (456, 6561), (486, 6156), (513, 5832), (648, 4617), (684, 4374), (729, 4104), (972, 3078), (1026, 2916), (1368, 2187), (1458, 2052), (1539, 1944)]