87171513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 137192832

約数和(自身を除く): 50021319

約数列:

[1, 3, 11, 13, 33, 39, 143, 317, 429, 641, 951, 1923, 3487, 4121, 7051, 8333, 10461, 12363, 21153, 24999, 45331, 91663, 135993, 203197, 274989, 609591, 2235167, 2641561, 6705501, 7924683, 29057171, 87171513]

約数ペア:

[(1, 87171513), (3, 29057171), (11, 7924683), (13, 6705501), (33, 2641561), (39, 2235167), (143, 609591), (317, 274989), (429, 203197), (641, 135993), (951, 91663), (1923, 45331), (3487, 24999), (4121, 21153), (7051, 12363), (8333, 10461)]