2153385

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 4167240

約数和(自身を除く): 2013855

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 409, 585, 1053, 1227, 1755, 2045, 3681, 5265, 5317, 6135, 11043, 15951, 18405, 26585, 33129, 47853, 55215, 79755, 143559, 165645, 239265, 430677, 717795, 2153385]

約数ペア:

[(1, 2153385), (3, 717795), (5, 430677), (9, 239265), (13, 165645), (15, 143559), (27, 79755), (39, 55215), (45, 47853), (65, 33129), (81, 26585), (117, 18405), (135, 15951), (195, 11043), (351, 6135), (405, 5317), (409, 5265), (585, 3681), (1053, 2045), (1227, 1755)]