42678279

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 78796800

約数和(自身を除く): 36118521

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 111, 119, 153, 189, 259, 333, 357, 359, 459, 629, 777, 999, 1071, 1077, 1887, 2331, 2513, 3213, 3231, 4403, 5661, 6103, 6993, 7539, 9693, 13209, 13283, 16983, 18309, 22617, 39627, 39849, 42721, 54927, 67851, 92981, 118881, 119547, 128163, 164781, 225811, 278943, 358641, 384489, 677433, 836829, 1153467, 1580677, 2032299, 2510487, 4742031, 6096897, 14226093, 42678279]

約数ペア:

[(1, 42678279), (3, 14226093), (7, 6096897), (9, 4742031), (17, 2510487), (21, 2032299), (27, 1580677), (37, 1153467), (51, 836829), (63, 677433), (111, 384489), (119, 358641), (153, 278943), (189, 225811), (259, 164781), (333, 128163), (357, 119547), (359, 118881), (459, 92981), (629, 67851), (777, 54927), (999, 42721), (1071, 39849), (1077, 39627), (1887, 22617), (2331, 18309), (2513, 16983), (3213, 13283), (3231, 13209), (4403, 9693), (5661, 7539), (6103, 6993)]