81880149

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 121806720

約数和(自身を除く): 39926571

約数列:

[1, 3, 13, 37, 39, 111, 179, 317, 481, 537, 951, 1443, 2327, 4121, 6623, 6981, 11729, 12363, 19869, 35187, 56743, 86099, 152477, 170229, 258297, 457431, 737659, 2099491, 2212977, 6298473, 27293383, 81880149]

約数ペア:

[(1, 81880149), (3, 27293383), (13, 6298473), (37, 2212977), (39, 2099491), (111, 737659), (179, 457431), (317, 258297), (481, 170229), (537, 152477), (951, 86099), (1443, 56743), (2327, 35187), (4121, 19869), (6623, 12363), (6981, 11729)]