78818553

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 126210084

約数和(自身を除く): 47391531

約数列:

[1, 3, 9, 11, 33, 99, 121, 157, 363, 461, 471, 1089, 1383, 1413, 1727, 4149, 5071, 5181, 15213, 15543, 18997, 45639, 55781, 56991, 72377, 167343, 170973, 217131, 502029, 651393, 796147, 2388441, 7165323, 8757617, 26272851, 78818553]

約数ペア:

[(1, 78818553), (3, 26272851), (9, 8757617), (11, 7165323), (33, 2388441), (99, 796147), (121, 651393), (157, 502029), (363, 217131), (461, 170973), (471, 167343), (1089, 72377), (1383, 56991), (1413, 55781), (1727, 45639), (4149, 18997), (5071, 15543), (5181, 15213)]