30657781

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 40613184

約数和(自身を除く): 9955403

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 2473, 12397, 17311, 27203, 56879, 121177, 190421, 398153, 625669, 1332947, 2787071, 4379683, 30657781]

約数ペア:

[(1, 30657781), (7, 4379683), (11, 2787071), (23, 1332947), (49, 625669), (77, 398153), (161, 190421), (253, 121177), (539, 56879), (1127, 27203), (1771, 17311), (2473, 12397)]