201081507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{449}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 301190400

約数和(自身を除く): 100108893

約数列:

[1, 3, 11, 33, 41, 123, 331, 449, 451, 993, 1347, 1353, 3641, 4939, 10923, 13571, 14817, 18409, 40713, 55227, 148619, 149281, 202499, 445857, 447843, 607497, 1634809, 4904427, 6093379, 18280137, 67027169, 201081507]

約数ペア:

[(1, 201081507), (3, 67027169), (11, 18280137), (33, 6093379), (41, 4904427), (123, 1634809), (331, 607497), (449, 447843), (451, 445857), (993, 202499), (1347, 149281), (1353, 148619), (3641, 55227), (4939, 40713), (10923, 18409), (13571, 14817)]