168509727

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 266703360

約数和(自身を除く): 98193633

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 223, 491, 513, 669, 1473, 1539, 2007, 4237, 4419, 6021, 9329, 12711, 13257, 18063, 27987, 38133, 39771, 83961, 109493, 114399, 251883, 328479, 343197, 755649, 985437, 2080367, 2956311, 6241101, 8868933, 18723303, 56169909, 168509727]

約数ペア:

[(1, 168509727), (3, 56169909), (9, 18723303), (19, 8868933), (27, 6241101), (57, 2956311), (81, 2080367), (171, 985437), (223, 755649), (491, 343197), (513, 328479), (669, 251883), (1473, 114399), (1539, 109493), (2007, 83961), (4237, 39771), (4419, 38133), (6021, 27987), (9329, 18063), (12711, 13257)]