213996843

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{43789}}^1$

素因数の和:43979

約数の個数: 16

約数和(自身を含む): 318791200

約数和(自身を除く): 104794357

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4887, 43789, 131367, 394101, 1182303, 7925809, 23777427, 71332281, 213996843]

約数ペア:

[(1, 213996843), (3, 71332281), (9, 23777427), (27, 7925809), (181, 1182303), (543, 394101), (1629, 131367), (4887, 43789)]