156891609

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{19609}}^1$

素因数の和:19749

約数の個数: 24

約数和(自身を含む): 261048320

約数和(自身を除く): 104156711

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 19609, 58827, 137263, 176481, 411789, 1235367, 2490343, 7471029, 17432401, 22413087, 52297203, 156891609]

約数ペア:

[(1, 156891609), (3, 52297203), (7, 22413087), (9, 17432401), (21, 7471029), (63, 2490343), (127, 1235367), (381, 411789), (889, 176481), (1143, 137263), (2667, 58827), (8001, 19609)]