16798671

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 26763264

約数和(自身を除く): 9964593

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 127, 207, 213, 381, 621, 639, 1143, 1633, 1863, 1917, 2921, 3429, 4899, 5751, 8763, 9017, 10287, 14697, 26289, 27051, 44091, 78867, 81153, 132273, 207391, 236601, 243459, 622173, 730377, 1866519, 5599557, 16798671]

約数ペア:

[(1, 16798671), (3, 5599557), (9, 1866519), (23, 730377), (27, 622173), (69, 243459), (71, 236601), (81, 207391), (127, 132273), (207, 81153), (213, 78867), (381, 44091), (621, 27051), (639, 26289), (1143, 14697), (1633, 10287), (1863, 9017), (1917, 8763), (2921, 5751), (3429, 4899)]