1304793

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 2184000

約数和(自身を除く): 879207

約数列:

[1, 3, 7, 9, 21, 63, 139, 149, 417, 447, 973, 1043, 1251, 1341, 2919, 3129, 8757, 9387, 20711, 62133, 144977, 186399, 434931, 1304793]

約数ペア:

[(1, 1304793), (3, 434931), (7, 186399), (9, 144977), (21, 62133), (63, 20711), (139, 9387), (149, 8757), (417, 3129), (447, 2919), (973, 1341), (1043, 1251)]