247296987

素因数分解:

$3^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{6067}}^1$

素因数の和:6727

約数の個数: 24

約数和(自身を含む): 408934656

約数和(自身を除く): 161637669

約数列:

[1, 3, 7, 9, 21, 63, 647, 1941, 4529, 5823, 6067, 13587, 18201, 40761, 42469, 54603, 127407, 382221, 3925349, 11776047, 27477443, 35328141, 82432329, 247296987]

約数ペア:

[(1, 247296987), (3, 82432329), (7, 35328141), (9, 27477443), (21, 11776047), (63, 3925349), (647, 382221), (1941, 127407), (4529, 54603), (5823, 42469), (6067, 40761), (13587, 18201)]