31321305

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24001}}^1$

素因数の和:24041

約数の個数: 24

約数和(自身を含む): 56164680

約数和(自身を除く): 24843375

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 24001, 72003, 120005, 216009, 360015, 696029, 1080045, 2088087, 3480145, 6264261, 10440435, 31321305]

約数ペア:

[(1, 31321305), (3, 10440435), (5, 6264261), (9, 3480145), (15, 2088087), (29, 1080045), (45, 696029), (87, 360015), (145, 216009), (261, 120005), (435, 72003), (1305, 24001)]