13720887

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 8051913

約数列:

[1, 3, 9, 17, 27, 51, 153, 167, 179, 459, 501, 537, 1503, 1611, 2839, 3043, 4509, 4833, 8517, 9129, 25551, 27387, 29893, 76653, 82161, 89679, 269037, 508181, 807111, 1524543, 4573629, 13720887]

約数ペア:

[(1, 13720887), (3, 4573629), (9, 1524543), (17, 807111), (27, 508181), (51, 269037), (153, 89679), (167, 82161), (179, 76653), (459, 29893), (501, 27387), (537, 25551), (1503, 9129), (1611, 8517), (2839, 4833), (3043, 4509)]