8220735

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 15095808

約数和(自身を除く): 6875073

約数列:

[1, 3, 5, 9, 15, 31, 45, 71, 83, 93, 155, 213, 249, 279, 355, 415, 465, 639, 747, 1065, 1245, 1395, 2201, 2573, 3195, 3735, 5893, 6603, 7719, 11005, 12865, 17679, 19809, 23157, 29465, 33015, 38595, 53037, 88395, 99045, 115785, 182683, 265185, 548049, 913415, 1644147, 2740245, 8220735]

約数ペア:

[(1, 8220735), (3, 2740245), (5, 1644147), (9, 913415), (15, 548049), (31, 265185), (45, 182683), (71, 115785), (83, 99045), (93, 88395), (155, 53037), (213, 38595), (249, 33015), (279, 29465), (355, 23157), (415, 19809), (465, 17679), (639, 12865), (747, 11005), (1065, 7719), (1245, 6603), (1395, 5893), (2201, 3735), (2573, 3195)]