78212979

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 125314560

約数和(自身を除く): 47101581

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 443, 503, 1329, 1509, 3987, 4527, 5759, 6539, 11961, 13581, 17277, 19617, 51831, 58851, 155493, 176553, 222829, 668487, 2005461, 2896777, 6016383, 8690331, 26070993, 78212979]

約数ペア:

[(1, 78212979), (3, 26070993), (9, 8690331), (13, 6016383), (27, 2896777), (39, 2005461), (117, 668487), (351, 222829), (443, 176553), (503, 155493), (1329, 58851), (1509, 51831), (3987, 19617), (4527, 17277), (5759, 13581), (6539, 11961)]