1224339921

素因数分解:

$3^3\times 7^2\times {\mathrm{443}}^1\times {\mathrm{2089}}^1$

素因数の和:2555

約数の個数: 48

約数和(自身を含む): 2115748800

約数和(自身を除く): 891408879

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 443, 1323, 1329, 2089, 3101, 3987, 6267, 9303, 11961, 14623, 18801, 21707, 27909, 43869, 56403, 65121, 83727, 102361, 131607, 195363, 307083, 394821, 586089, 921249, 925427, 2763747, 2776281, 6477989, 8328843, 19433967, 24986529, 45345923, 58301901, 136037769, 174905703, 408113307, 1224339921]

約数ペア:

[(1, 1224339921), (3, 408113307), (7, 174905703), (9, 136037769), (21, 58301901), (27, 45345923), (49, 24986529), (63, 19433967), (147, 8328843), (189, 6477989), (441, 2776281), (443, 2763747), (1323, 925427), (1329, 921249), (2089, 586089), (3101, 394821), (3987, 307083), (6267, 195363), (9303, 131607), (11961, 102361), (14623, 83727), (18801, 65121), (21707, 56403), (27909, 43869)]