210870621

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{200257}}^1$

素因数の和:200282

約数の個数: 20

約数和(自身を含む): 339237052

約数和(自身を除く): 128366431

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 200257, 600771, 1802313, 2603341, 5406939, 7810023, 16220817, 23430069, 70290207, 210870621]

約数ペア:

[(1, 210870621), (3, 70290207), (9, 23430069), (13, 16220817), (27, 7810023), (39, 5406939), (81, 2603341), (117, 1802313), (351, 600771), (1053, 200257)]