72168759

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5557}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 118274240

約数和(自身を除く): 46105481

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 5557, 12987, 16671, 50013, 72241, 150039, 205609, 216723, 616827, 650169, 1850481, 1950507, 2672917, 5551443, 8018751, 24056253, 72168759]

約数ペア:

[(1, 72168759), (3, 24056253), (9, 8018751), (13, 5551443), (27, 2672917), (37, 1950507), (39, 1850481), (111, 650169), (117, 616827), (333, 216723), (351, 205609), (481, 150039), (999, 72241), (1443, 50013), (4329, 16671), (5557, 12987)]