78284313

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{50867}}^1$

素因数の和:50898

約数の個数: 20

約数和(自身を含む): 123100560

約数和(自身を除く): 44816247

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 50867, 152601, 457803, 966473, 1373409, 2899419, 4120227, 8698257, 26094771, 78284313]

約数ペア:

[(1, 78284313), (3, 26094771), (9, 8698257), (19, 4120227), (27, 2899419), (57, 1373409), (81, 966473), (171, 457803), (513, 152601), (1539, 50867)]