81617274

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{79549}}^1$

素因数の和:79579

約数の個数: 32

約数和(自身を含む): 190920000

約数和(自身を除く): 109302726

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 79549, 159098, 238647, 477294, 715941, 1431882, 1511431, 2147823, 3022862, 4295646, 4534293, 9068586, 13602879, 27205758, 40808637, 81617274]

約数ペア:

[(1, 81617274), (2, 40808637), (3, 27205758), (6, 13602879), (9, 9068586), (18, 4534293), (19, 4295646), (27, 3022862), (38, 2147823), (54, 1511431), (57, 1431882), (114, 715941), (171, 477294), (342, 238647), (513, 159098), (1026, 79549)]