16720995555

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{59159}}^1$

素因数の和:59752

約数の個数: 48

約数和(自身を含む): 31673790720

約数和(自身を除く): 14952795165

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 571, 1713, 2855, 5139, 6281, 8565, 18843, 25695, 31405, 56529, 59159, 94215, 177477, 282645, 295795, 532431, 650749, 887385, 1952247, 2662155, 3253745, 5856741, 9761235, 29283705, 33779789, 101339367, 168898945, 304018101, 371577679, 506696835, 1114733037, 1520090505, 1857888395, 3344199111, 5573665185, 16720995555]

約数ペア:

[(1, 16720995555), (3, 5573665185), (5, 3344199111), (9, 1857888395), (11, 1520090505), (15, 1114733037), (33, 506696835), (45, 371577679), (55, 304018101), (99, 168898945), (165, 101339367), (495, 33779789), (571, 29283705), (1713, 9761235), (2855, 5856741), (5139, 3253745), (6281, 2662155), (8565, 1952247), (18843, 887385), (25695, 650749), (31405, 532431), (56529, 295795), (59159, 282645), (94215, 177477)]