172391859

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{1451}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 255807552

約数和(自身を除く): 83415693

約数列:

[1, 3, 9, 43, 129, 307, 387, 921, 1451, 2763, 4353, 13059, 13201, 39603, 62393, 118809, 187179, 445457, 561537, 1336371, 4009113, 19154651, 57463953, 172391859]

約数ペア:

[(1, 172391859), (3, 57463953), (9, 19154651), (43, 4009113), (129, 1336371), (307, 561537), (387, 445457), (921, 187179), (1451, 118809), (2763, 62393), (4353, 39603), (13059, 13201)]