9891231

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8887}}^1$

素因数の和:8950

約数の個数: 16

約数和(自身を含む): 15358464

約数和(自身を除く): 5467233

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 8887, 26661, 62209, 186627, 471011, 1413033, 3297077, 9891231]

約数ペア:

[(1, 9891231), (3, 3297077), (7, 1413033), (21, 471011), (53, 186627), (159, 62209), (371, 26661), (1113, 8887)]