30390507

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1877}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 50390496

約数和(自身を除く): 19999989

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1799, 1877, 2313, 5397, 5631, 13139, 16191, 16893, 39417, 118251, 482389, 1447167, 3376723, 4341501, 10130169, 30390507]

約数ペア:

[(1, 30390507), (3, 10130169), (7, 4341501), (9, 3376723), (21, 1447167), (63, 482389), (257, 118251), (771, 39417), (1799, 16893), (1877, 16191), (2313, 13139), (5397, 5631)]