72669849

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 123420672

約数和(自身を除く): 50750823

約数列:

[1, 3, 7, 17, 21, 47, 51, 61, 71, 119, 141, 183, 213, 329, 357, 427, 497, 799, 987, 1037, 1207, 1281, 1491, 2397, 2867, 3111, 3337, 3621, 4331, 5593, 7259, 8449, 8601, 10011, 12993, 16779, 20069, 21777, 23359, 25347, 30317, 48739, 56729, 60207, 70077, 73627, 90951, 146217, 170187, 203557, 220881, 341173, 397103, 515389, 610671, 1023519, 1191309, 1424899, 1546167, 3460469, 4274697, 10381407, 24223283, 72669849]

約数ペア:

[(1, 72669849), (3, 24223283), (7, 10381407), (17, 4274697), (21, 3460469), (47, 1546167), (51, 1424899), (61, 1191309), (71, 1023519), (119, 610671), (141, 515389), (183, 397103), (213, 341173), (329, 220881), (357, 203557), (427, 170187), (497, 146217), (799, 90951), (987, 73627), (1037, 70077), (1207, 60207), (1281, 56729), (1491, 48739), (2397, 30317), (2867, 25347), (3111, 23359), (3337, 21777), (3621, 20069), (4331, 16779), (5593, 12993), (7259, 10011), (8449, 8601)]