16856973

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5693}}^1$

素因数の和:5753

約数の個数: 24

約数和(自身を含む): 28424448

約数和(自身を除く): 11567475

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 5693, 17079, 39851, 51237, 119553, 267571, 358659, 802713, 1872997, 2408139, 5618991, 16856973]

約数ペア:

[(1, 16856973), (3, 5618991), (7, 2408139), (9, 1872997), (21, 802713), (47, 358659), (63, 267571), (141, 119553), (329, 51237), (423, 39851), (987, 17079), (2961, 5693)]