349431957

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{757}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 612997632

約数和(自身を除く): 263565675

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 431, 757, 1071, 1293, 2271, 3017, 3879, 5299, 6813, 7327, 9051, 12869, 15897, 21981, 27153, 38607, 47691, 51289, 65943, 90083, 115821, 153867, 270249, 326267, 461601, 810747, 978801, 2283869, 2936403, 5546539, 6851607, 16639617, 20554821, 38825773, 49918851, 116477319, 349431957]

約数ペア:

[(1, 349431957), (3, 116477319), (7, 49918851), (9, 38825773), (17, 20554821), (21, 16639617), (51, 6851607), (63, 5546539), (119, 2936403), (153, 2283869), (357, 978801), (431, 810747), (757, 461601), (1071, 326267), (1293, 270249), (2271, 153867), (3017, 115821), (3879, 90083), (5299, 65943), (6813, 51289), (7327, 47691), (9051, 38607), (12869, 27153), (15897, 21981)]