13720995

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 25788672

約数和(自身を除く): 12067677

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 491, 621, 1035, 1215, 1473, 1863, 2455, 3105, 4419, 5589, 7365, 9315, 11293, 13257, 22095, 27945, 33879, 39771, 56465, 66285, 101637, 119313, 169395, 198855, 304911, 508185, 596565, 914733, 1524555, 2744199, 4573665, 13720995]

約数ペア:

[(1, 13720995), (3, 4573665), (5, 2744199), (9, 1524555), (15, 914733), (23, 596565), (27, 508185), (45, 304911), (69, 198855), (81, 169395), (115, 119313), (135, 101637), (207, 66285), (243, 56465), (345, 39771), (405, 33879), (491, 27945), (621, 22095), (1035, 13257), (1215, 11293), (1473, 9315), (1863, 7365), (2455, 5589), (3105, 4419)]