488291769

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 819744640

約数和(自身を除く): 331452871

約数列:

[1, 3, 7, 9, 21, 63, 109, 211, 327, 337, 633, 763, 981, 1011, 1477, 1899, 2289, 2359, 3033, 4431, 6867, 7077, 13293, 21231, 22999, 36733, 68997, 71107, 110199, 160993, 206991, 213321, 257131, 330597, 482979, 497749, 639963, 771393, 1448937, 1493247, 2314179, 4479741, 7750663, 23251989, 54254641, 69755967, 162763923, 488291769]

約数ペア:

[(1, 488291769), (3, 162763923), (7, 69755967), (9, 54254641), (21, 23251989), (63, 7750663), (109, 4479741), (211, 2314179), (327, 1493247), (337, 1448937), (633, 771393), (763, 639963), (981, 497749), (1011, 482979), (1477, 330597), (1899, 257131), (2289, 213321), (2359, 206991), (3033, 160993), (4431, 110199), (6867, 71107), (7077, 68997), (13293, 36733), (21231, 22999)]