202180905

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 358974720

約数和(自身を除く): 156793815

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 271, 281, 295, 531, 813, 843, 885, 1355, 1405, 2439, 2529, 2655, 4065, 4215, 12195, 12645, 15989, 16579, 47967, 49737, 76151, 79945, 82895, 143901, 149211, 228453, 239835, 248685, 380755, 685359, 719505, 746055, 1142265, 3426795, 4492909, 13478727, 22464545, 40436181, 67393635, 202180905]

約数ペア:

[(1, 202180905), (3, 67393635), (5, 40436181), (9, 22464545), (15, 13478727), (45, 4492909), (59, 3426795), (177, 1142265), (271, 746055), (281, 719505), (295, 685359), (531, 380755), (813, 248685), (843, 239835), (885, 228453), (1355, 149211), (1405, 143901), (2439, 82895), (2529, 79945), (2655, 76151), (4065, 49737), (4215, 47967), (12195, 16579), (12645, 15989)]