30890181

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77419}}^1$

素因数の和:77448

約数の個数: 16

約数和(自身を含む): 49548800

約数和(自身を除く): 18658619

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 77419, 232257, 541933, 1470961, 1625799, 4412883, 10296727, 30890181]

約数ペア:

[(1, 30890181), (3, 10296727), (7, 4412883), (19, 1625799), (21, 1470961), (57, 541933), (133, 232257), (399, 77419)]