13603221

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8839}}^1$

素因数の和:8870

約数の個数: 20

約数和(自身を含む): 21392800

約数和(自身を除く): 7789579

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8839, 26517, 79551, 167941, 238653, 503823, 715959, 1511469, 4534407, 13603221]

約数ペア:

[(1, 13603221), (3, 4534407), (9, 1511469), (19, 715959), (27, 503823), (57, 238653), (81, 167941), (171, 79551), (513, 26517), (1539, 8839)]