16427691

素因数分解:

$3^4\times 7^2\times {\mathrm{4139}}^1$

素因数の和:4165

約数の個数: 30

約数和(自身を含む): 28553580

約数和(自身を除く): 12125889

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4139, 12417, 28973, 37251, 86919, 111753, 202811, 260757, 335259, 608433, 782271, 1825299, 2346813, 5475897, 16427691]

約数ペア:

[(1, 16427691), (3, 5475897), (7, 2346813), (9, 1825299), (21, 782271), (27, 608433), (49, 335259), (63, 260757), (81, 202811), (147, 111753), (189, 86919), (441, 37251), (567, 28973), (1323, 12417), (3969, 4139)]