28883907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1427}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 45221904

約数和(自身を除く): 16337997

約数列:

[1, 3, 9, 13, 39, 117, 173, 519, 1427, 1557, 2249, 4281, 6747, 12843, 18551, 20241, 55653, 166959, 246871, 740613, 2221839, 3209323, 9627969, 28883907]

約数ペア:

[(1, 28883907), (3, 9627969), (9, 3209323), (13, 2221839), (39, 740613), (117, 246871), (173, 166959), (519, 55653), (1427, 20241), (1557, 18551), (2249, 12843), (4281, 6747)]