38905407

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 61152000

約数和(自身を除く): 22246593

約数列:

[1, 3, 9, 19, 27, 57, 171, 181, 419, 513, 543, 1257, 1629, 3439, 3771, 4887, 7961, 10317, 11313, 23883, 30951, 71649, 75839, 92853, 214947, 227517, 682551, 1440941, 2047653, 4322823, 12968469, 38905407]

約数ペア:

[(1, 38905407), (3, 12968469), (9, 4322823), (19, 2047653), (27, 1440941), (57, 682551), (171, 227517), (181, 214947), (419, 92853), (513, 75839), (543, 71649), (1257, 30951), (1629, 23883), (3439, 11313), (3771, 10317), (4887, 7961)]