80721954

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{48221}}^1$

素因数の和:48263

約数の個数: 32

約数和(自身を含む): 185172480

約数和(自身を除く): 104450526

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 48221, 96442, 144663, 289326, 433989, 867978, 1301967, 1494851, 2603934, 2989702, 4484553, 8969106, 13453659, 26907318, 40360977, 80721954]

約数ペア:

[(1, 80721954), (2, 40360977), (3, 26907318), (6, 13453659), (9, 8969106), (18, 4484553), (27, 2989702), (31, 2603934), (54, 1494851), (62, 1301967), (93, 867978), (186, 433989), (279, 289326), (558, 144663), (837, 96442), (1674, 48221)]