149211587

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 180837216

約数和(自身を除く): 31625629

約数列:

[1, 7, 31, 41, 217, 287, 541, 961, 1271, 3787, 6727, 8897, 16771, 22181, 39401, 117397, 155267, 275807, 519901, 687611, 3639307, 4813277, 21315941, 149211587]

約数ペア:

[(1, 149211587), (7, 21315941), (31, 4813277), (41, 3639307), (217, 687611), (287, 519901), (541, 275807), (961, 155267), (1271, 117397), (3787, 39401), (6727, 22181), (8897, 16771)]