40778883

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{26497}}^1$

素因数の和:26528

約数の個数: 20

約数和(自身を含む): 64125160

約数和(自身を除く): 23346277

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 26497, 79491, 238473, 503443, 715419, 1510329, 2146257, 4530987, 13592961, 40778883]

約数ペア:

[(1, 40778883), (3, 13592961), (9, 4530987), (19, 2146257), (27, 1510329), (57, 715419), (81, 503443), (171, 238473), (513, 79491), (1539, 26497)]