213517269

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1679

約数の個数: 64

約数和(自身を含む): 391065600

約数和(自身を除く): 177548331

約数列:

[1, 3, 7, 9, 19, 21, 27, 37, 57, 63, 111, 133, 171, 189, 259, 333, 399, 513, 703, 777, 999, 1197, 1607, 2109, 2331, 3591, 4821, 4921, 6327, 6993, 11249, 14463, 14763, 18981, 30533, 33747, 43389, 44289, 59459, 91599, 101241, 132867, 178377, 213731, 274797, 303723, 416213, 535131, 641193, 824391, 1129721, 1248639, 1605393, 1923579, 3389163, 3745917, 5770737, 7908047, 10167489, 11237751, 23724141, 30502467, 71172423, 213517269]

約数ペア:

[(1, 213517269), (3, 71172423), (7, 30502467), (9, 23724141), (19, 11237751), (21, 10167489), (27, 7908047), (37, 5770737), (57, 3745917), (63, 3389163), (111, 1923579), (133, 1605393), (171, 1248639), (189, 1129721), (259, 824391), (333, 641193), (399, 535131), (513, 416213), (703, 303723), (777, 274797), (999, 213731), (1197, 178377), (1607, 132867), (2109, 101241), (2331, 91599), (3591, 59459), (4821, 44289), (4921, 43389), (6327, 33747), (6993, 30533), (11249, 18981), (14463, 14763)]