72887031

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 124540416

約数和(自身を除く): 51653385

約数列:

[1, 3, 7, 9, 21, 53, 63, 83, 159, 249, 263, 371, 477, 581, 747, 789, 1113, 1743, 1841, 2367, 3339, 4399, 5229, 5523, 13197, 13939, 16569, 21829, 30793, 39591, 41817, 65487, 92379, 97573, 125451, 152803, 196461, 277137, 292719, 458409, 878157, 1156937, 1375227, 3470811, 8098559, 10412433, 24295677, 72887031]

約数ペア:

[(1, 72887031), (3, 24295677), (7, 10412433), (9, 8098559), (21, 3470811), (53, 1375227), (63, 1156937), (83, 878157), (159, 458409), (249, 292719), (263, 277137), (371, 196461), (477, 152803), (581, 125451), (747, 97573), (789, 92379), (1113, 65487), (1743, 41817), (1841, 39591), (2367, 30793), (3339, 21829), (4399, 16569), (5229, 13939), (5523, 13197)]