137935497

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{661}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 222008320

約数和(自身を除く): 84072823

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 523, 661, 1569, 1983, 3661, 4627, 9937, 10983, 12559, 13881, 29811, 37677, 69559, 87913, 208677, 263739, 345703, 1037109, 2419921, 6568357, 7259763, 19705071, 45978499, 137935497]

約数ペア:

[(1, 137935497), (3, 45978499), (7, 19705071), (19, 7259763), (21, 6568357), (57, 2419921), (133, 1037109), (399, 345703), (523, 263739), (661, 208677), (1569, 87913), (1983, 69559), (3661, 37677), (4627, 29811), (9937, 13881), (10983, 12559)]