81192255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10271}}^1$

素因数の和:10327

約数の個数: 32

約数和(自身を含む): 142000128

約数和(自身を除く): 60807873

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 10271, 30813, 51355, 154065, 174607, 318401, 523821, 873035, 955203, 1592005, 2619105, 4776015, 5412817, 16238451, 27064085, 81192255]

約数ペア:

[(1, 81192255), (3, 27064085), (5, 16238451), (15, 5412817), (17, 4776015), (31, 2619105), (51, 1592005), (85, 955203), (93, 873035), (155, 523821), (255, 318401), (465, 174607), (527, 154065), (1581, 51355), (2635, 30813), (7905, 10271)]