12221853

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 19353600

約数和(自身を除く): 7131747

約数列:

[1, 3, 7, 21, 53, 79, 139, 159, 237, 371, 417, 553, 973, 1113, 1659, 2919, 4187, 7367, 10981, 12561, 22101, 29309, 32943, 51569, 76867, 87927, 154707, 230601, 581993, 1745979, 4073951, 12221853]

約数ペア:

[(1, 12221853), (3, 4073951), (7, 1745979), (21, 581993), (53, 230601), (79, 154707), (139, 87927), (159, 76867), (237, 51569), (371, 32943), (417, 29309), (553, 22101), (973, 12561), (1113, 10981), (1659, 7367), (2919, 4187)]