18207255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6491}}^1$

素因数の和:6527

約数の個数: 32

約数和(自身を含む): 33654528

約数和(自身を除く): 15447273

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 6491, 19473, 32455, 71401, 97365, 110347, 214203, 331041, 357005, 551735, 1071015, 1213817, 1655205, 3641451, 6069085, 18207255]

約数ペア:

[(1, 18207255), (3, 6069085), (5, 3641451), (11, 1655205), (15, 1213817), (17, 1071015), (33, 551735), (51, 357005), (55, 331041), (85, 214203), (165, 110347), (187, 97365), (255, 71401), (561, 32455), (935, 19473), (2805, 6491)]