7421895

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4229}}^1$

素因数の和:4256

約数の個数: 32

約数和(自身を含む): 14212800

約数和(自身を除く): 6790905

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 4229, 12687, 21145, 38061, 54977, 63435, 114183, 164931, 190305, 274885, 494793, 570915, 824655, 1484379, 2473965, 7421895]

約数ペア:

[(1, 7421895), (3, 2473965), (5, 1484379), (9, 824655), (13, 570915), (15, 494793), (27, 274885), (39, 190305), (45, 164931), (65, 114183), (117, 63435), (135, 54977), (195, 38061), (351, 21145), (585, 12687), (1755, 4229)]