64747269

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{42071}}^1$

素因数の和:42102

約数の個数: 20

約数和(自身を含む): 101814240

約数和(自身を除く): 37066971

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 42071, 126213, 378639, 799349, 1135917, 2398047, 3407751, 7194141, 21582423, 64747269]

約数ペア:

[(1, 64747269), (3, 21582423), (9, 7194141), (19, 3407751), (27, 2398047), (57, 1135917), (81, 799349), (171, 378639), (513, 126213), (1539, 42071)]