90781866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{720491}}^1$

素因数の和:720506

約数の個数: 24

約数和(自身を含む): 224793504

約数和(自身を除く): 134011638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 720491, 1440982, 2161473, 4322946, 5043437, 6484419, 10086874, 12968838, 15130311, 30260622, 45390933, 90781866]

約数ペア:

[(1, 90781866), (2, 45390933), (3, 30260622), (6, 15130311), (7, 12968838), (9, 10086874), (14, 6484419), (18, 5043437), (21, 4322946), (42, 2161473), (63, 1440982), (126, 720491)]