30888081

素因数分解:

$3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 54756480

約数和(自身を除く): 23868399

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 147, 189, 259, 333, 441, 631, 777, 999, 1323, 1813, 1893, 2331, 4417, 5439, 5679, 6993, 13251, 16317, 17037, 23347, 30919, 39753, 48951, 70041, 92757, 119259, 163429, 210123, 278271, 490287, 630369, 834813, 1144003, 1470861, 3432009, 4412583, 10296027, 30888081]

約数ペア:

[(1, 30888081), (3, 10296027), (7, 4412583), (9, 3432009), (21, 1470861), (27, 1144003), (37, 834813), (49, 630369), (63, 490287), (111, 278271), (147, 210123), (189, 163429), (259, 119259), (333, 92757), (441, 70041), (631, 48951), (777, 39753), (999, 30919), (1323, 23347), (1813, 17037), (1893, 16317), (2331, 13251), (4417, 6993), (5439, 5679)]