780317676

素因数分解:

$2^2\times 3^2\times {\mathrm{21675491}}^1$

素因数の和:21675501

約数の個数: 18

約数和(自身を含む): 1972469772

約数和(自身を除く): 1192152096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 21675491, 43350982, 65026473, 86701964, 130052946, 195079419, 260105892, 390158838, 780317676]

約数ペア:

[(1, 780317676), (2, 390158838), (3, 260105892), (4, 195079419), (6, 130052946), (9, 86701964), (12, 65026473), (18, 43350982), (36, 21675491)]