31289085

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3359}}^1$

素因数の和:3399

約数の個数: 40

約数和(自身を含む): 58544640

約数和(自身を除く): 27255555

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 3359, 9315, 10077, 16795, 30231, 50385, 77257, 90693, 151155, 231771, 272079, 386285, 453465, 695313, 1158855, 1360395, 2085939, 3476565, 6257817, 10429695, 31289085]

約数ペア:

[(1, 31289085), (3, 10429695), (5, 6257817), (9, 3476565), (15, 2085939), (23, 1360395), (27, 1158855), (45, 695313), (69, 453465), (81, 386285), (115, 272079), (135, 231771), (207, 151155), (345, 90693), (405, 77257), (621, 50385), (1035, 30231), (1863, 16795), (3105, 10077), (3359, 9315)]