129673257

素因数分解:

$3^1\times 7^2\times {\mathrm{677}}^1\times {\mathrm{1303}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 201577536

約数和(自身を除く): 71904279

約数列:

[1, 3, 7, 21, 49, 147, 677, 1303, 2031, 3909, 4739, 9121, 14217, 27363, 33173, 63847, 99519, 191541, 882131, 2646393, 6174917, 18524751, 43224419, 129673257]

約数ペア:

[(1, 129673257), (3, 43224419), (7, 18524751), (21, 6174917), (49, 2646393), (147, 882131), (677, 191541), (1303, 99519), (2031, 63847), (3909, 33173), (4739, 27363), (9121, 14217)]