1816839

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 2800512

約数和(自身を除く): 983673

約数列:

[1, 3, 9, 23, 67, 69, 131, 201, 207, 393, 603, 1179, 1541, 3013, 4623, 8777, 9039, 13869, 26331, 27117, 78993, 201871, 605613, 1816839]

約数ペア:

[(1, 1816839), (3, 605613), (9, 201871), (23, 78993), (67, 27117), (69, 26331), (131, 13869), (201, 9039), (207, 8777), (393, 4623), (603, 3013), (1179, 1541)]