201191571

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{21433}}^1$

素因数の和:21595

約数の個数: 24

約数和(自身を含む): 334370400

約数和(自身を除く): 133178829

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 21433, 64299, 150031, 192897, 450093, 1350279, 3193517, 9580551, 22354619, 28741653, 67063857, 201191571]

約数ペア:

[(1, 201191571), (3, 67063857), (7, 28741653), (9, 22354619), (21, 9580551), (63, 3193517), (149, 1350279), (447, 450093), (1043, 192897), (1341, 150031), (3129, 64299), (9387, 21433)]