309983517

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1575

約数の個数: 40

約数和(自身を含む): 481928480

約数和(自身を除く): 171944963

約数列:

[1, 3, 9, 27, 43, 61, 81, 129, 183, 387, 549, 1161, 1459, 1647, 2623, 3483, 4377, 4941, 7869, 13131, 23607, 39393, 62737, 70821, 88999, 118179, 188211, 212463, 266997, 564633, 800991, 1693899, 2402973, 3826957, 5081697, 7208919, 11480871, 34442613, 103327839, 309983517]

約数ペア:

[(1, 309983517), (3, 103327839), (9, 34442613), (27, 11480871), (43, 7208919), (61, 5081697), (81, 3826957), (129, 2402973), (183, 1693899), (387, 800991), (549, 564633), (1161, 266997), (1459, 212463), (1647, 188211), (2623, 118179), (3483, 88999), (4377, 70821), (4941, 62737), (7869, 39393), (13131, 23607)]