81127290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19739}}^1$

素因数の和:19886

約数の個数: 32

約数和(自身を含む): 196136640

約数和(自身を除く): 115009350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 19739, 39478, 59217, 98695, 118434, 197390, 296085, 592170, 2704243, 5408486, 8112729, 13521215, 16225458, 27042430, 40563645, 81127290]

約数ペア:

[(1, 81127290), (2, 40563645), (3, 27042430), (5, 16225458), (6, 13521215), (10, 8112729), (15, 5408486), (30, 2704243), (137, 592170), (274, 296085), (411, 197390), (685, 118434), (822, 98695), (1370, 59217), (2055, 39478), (4110, 19739)]