3977775

素因数分解:

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

素因数の和:173

約数の個数: 48

約数和(自身を含む): 7499520

約数和(自身を除く): 3521745

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 83, 135, 213, 225, 249, 355, 415, 639, 675, 747, 1065, 1245, 1775, 1917, 2075, 2241, 3195, 3735, 5325, 5893, 6225, 9585, 11205, 15975, 17679, 18675, 29465, 47925, 53037, 56025, 88395, 147325, 159111, 265185, 441975, 795555, 1325925, 3977775]

約数ペア:

[(1, 3977775), (3, 1325925), (5, 795555), (9, 441975), (15, 265185), (25, 159111), (27, 147325), (45, 88395), (71, 56025), (75, 53037), (83, 47925), (135, 29465), (213, 18675), (225, 17679), (249, 15975), (355, 11205), (415, 9585), (639, 6225), (675, 5893), (747, 5325), (1065, 3735), (1245, 3195), (1775, 2241), (1917, 2075)]