2156895

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 4132800

約数和(自身を除く): 1975905

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1229, 1755, 3687, 6145, 11061, 15977, 18435, 33183, 47931, 55305, 79885, 143793, 165915, 239655, 431379, 718965, 2156895]

約数ペア:

[(1, 2156895), (3, 718965), (5, 431379), (9, 239655), (13, 165915), (15, 143793), (27, 79885), (39, 55305), (45, 47931), (65, 33183), (117, 18435), (135, 15977), (195, 11061), (351, 6145), (585, 3687), (1229, 1755)]