19599975

素因数分解:

$3^4\times 5^2\times {\mathrm{9679}}^1$

素因数の和:9701

約数の個数: 30

約数和(自身を含む): 36309680

約数和(自身を除く): 16709705

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9679, 29037, 48395, 87111, 145185, 241975, 261333, 435555, 725925, 783999, 1306665, 2177775, 3919995, 6533325, 19599975]

約数ペア:

[(1, 19599975), (3, 6533325), (5, 3919995), (9, 2177775), (15, 1306665), (25, 783999), (27, 725925), (45, 435555), (75, 261333), (81, 241975), (135, 145185), (225, 87111), (405, 48395), (675, 29037), (2025, 9679)]