28971765

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3557}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 50509368

約数和(自身を除く): 21537603

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2715, 3557, 8145, 10671, 17785, 32013, 53355, 160065, 643817, 1931451, 3219085, 5794353, 9657255, 28971765]

約数ペア:

[(1, 28971765), (3, 9657255), (5, 5794353), (9, 3219085), (15, 1931451), (45, 643817), (181, 160065), (543, 53355), (905, 32013), (1629, 17785), (2715, 10671), (3557, 8145)]