28875843

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 44740800

約数和(自身を除く): 15864957

約数列:

[1, 3, 9, 17, 51, 79, 153, 237, 711, 1343, 2389, 4029, 7167, 12087, 21501, 40613, 121839, 188731, 365517, 566193, 1698579, 3208427, 9625281, 28875843]

約数ペア:

[(1, 28875843), (3, 9625281), (9, 3208427), (17, 1698579), (51, 566193), (79, 365517), (153, 188731), (237, 121839), (711, 40613), (1343, 21501), (2389, 12087), (4029, 7167)]