28672371

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2693}}^1$

素因数の和:2732

約数の個数: 36

約数和(自身を含む): 51272208

約数和(自身を除く): 22599837

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 2693, 3549, 8079, 10647, 18851, 24237, 35009, 56553, 105027, 169659, 245063, 315081, 455117, 735189, 1365351, 2205567, 3185819, 4096053, 9557457, 28672371]

約数ペア:

[(1, 28672371), (3, 9557457), (7, 4096053), (9, 3185819), (13, 2205567), (21, 1365351), (39, 735189), (63, 455117), (91, 315081), (117, 245063), (169, 169659), (273, 105027), (507, 56553), (819, 35009), (1183, 24237), (1521, 18851), (2693, 10647), (3549, 8079)]