138721869

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 266649600

約数和(自身を除く): 127927731

約数列:

[1, 3, 9, 11, 13, 19, 27, 31, 33, 39, 57, 61, 93, 99, 117, 143, 171, 183, 209, 247, 279, 297, 341, 351, 403, 429, 513, 549, 589, 627, 671, 741, 793, 837, 1023, 1159, 1209, 1287, 1647, 1767, 1881, 1891, 2013, 2223, 2379, 2717, 3069, 3477, 3627, 3861, 4433, 5301, 5643, 5673, 6039, 6479, 6669, 7137, 7657, 8151, 8723, 9207, 10431, 10881, 12749, 13299, 15067, 15903, 17019, 18117, 19437, 20801, 21411, 22971, 24453, 24583, 26169, 31293, 35929, 38247, 39897, 45201, 51057, 58311, 62403, 68913, 73359, 73749, 78507, 84227, 107787, 114741, 119691, 135603, 165737, 174933, 187209, 206739, 221247, 235521, 252681, 270413, 323361, 344223, 395219, 406809, 467077, 497211, 561627, 663741, 758043, 811239, 970083, 1185657, 1401231, 1491633, 2274129, 2433717, 3556971, 4203693, 4474899, 5137847, 7301151, 10670913, 12611079, 15413541, 46240623, 138721869]

約数ペア:

[(1, 138721869), (3, 46240623), (9, 15413541), (11, 12611079), (13, 10670913), (19, 7301151), (27, 5137847), (31, 4474899), (33, 4203693), (39, 3556971), (57, 2433717), (61, 2274129), (93, 1491633), (99, 1401231), (117, 1185657), (143, 970083), (171, 811239), (183, 758043), (209, 663741), (247, 561627), (279, 497211), (297, 467077), (341, 406809), (351, 395219), (403, 344223), (429, 323361), (513, 270413), (549, 252681), (589, 235521), (627, 221247), (671, 206739), (741, 187209), (793, 174933), (837, 165737), (1023, 135603), (1159, 119691), (1209, 114741), (1287, 107787), (1647, 84227), (1767, 78507), (1881, 73749), (1891, 73359), (2013, 68913), (2223, 62403), (2379, 58311), (2717, 51057), (3069, 45201), (3477, 39897), (3627, 38247), (3861, 35929), (4433, 31293), (5301, 26169), (5643, 24583), (5673, 24453), (6039, 22971), (6479, 21411), (6669, 20801), (7137, 19437), (7657, 18117), (8151, 17019), (8723, 15903), (9207, 15067), (10431, 13299), (10881, 12749)]