3927987

素因数分解:

$3^3\times 7^2\times {\mathrm{2969}}^1$

素因数の和:2992

約数の個数: 24

約数和(自身を含む): 6771600

約数和(自身を除く): 2843613

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2969, 8907, 20783, 26721, 62349, 80163, 145481, 187047, 436443, 561141, 1309329, 3927987]

約数ペア:

[(1, 3927987), (3, 1309329), (7, 561141), (9, 436443), (21, 187047), (27, 145481), (49, 80163), (63, 62349), (147, 26721), (189, 20783), (441, 8907), (1323, 2969)]