1628775

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 3174400

約数和(自身を除く): 1545625

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 127, 135, 171, 225, 285, 381, 475, 513, 635, 675, 855, 1143, 1425, 1905, 2413, 2565, 3175, 3429, 4275, 5715, 7239, 9525, 12065, 12825, 17145, 21717, 28575, 36195, 60325, 65151, 85725, 108585, 180975, 325755, 542925, 1628775]

約数ペア:

[(1, 1628775), (3, 542925), (5, 325755), (9, 180975), (15, 108585), (19, 85725), (25, 65151), (27, 60325), (45, 36195), (57, 28575), (75, 21717), (95, 17145), (127, 12825), (135, 12065), (171, 9525), (225, 7239), (285, 5715), (381, 4275), (475, 3429), (513, 3175), (635, 2565), (675, 2413), (855, 1905), (1143, 1425)]