12972813

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3413}}^1$

素因数の和:3604

約数の個数: 16

約数和(自身を含む): 19883136

約数和(自身を除く): 6910323

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3413, 3801, 10239, 23891, 71673, 617753, 1853259, 4324271, 12972813]

約数ペア:

[(1, 12972813), (3, 4324271), (7, 1853259), (21, 617753), (181, 71673), (543, 23891), (1267, 10239), (3413, 3801)]