16515213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 26151552

約数和(自身を除く): 9636339

約数列:

[1, 3, 11, 13, 33, 39, 137, 143, 281, 411, 429, 843, 1507, 1781, 3091, 3653, 4521, 5343, 9273, 10959, 19591, 38497, 40183, 58773, 115491, 120549, 423467, 500461, 1270401, 1501383, 5505071, 16515213]

約数ペア:

[(1, 16515213), (3, 5505071), (11, 1501383), (13, 1270401), (33, 500461), (39, 423467), (137, 120549), (143, 115491), (281, 58773), (411, 40183), (429, 38497), (843, 19591), (1507, 10959), (1781, 9273), (3091, 5343), (3653, 4521)]