2060775

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 3928320

約数和(自身を除く): 1867545

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 71, 75, 129, 135, 213, 215, 225, 355, 387, 639, 645, 675, 1065, 1075, 1161, 1775, 1917, 1935, 3053, 3195, 3225, 5325, 5805, 9159, 9585, 9675, 15265, 15975, 27477, 29025, 45795, 47925, 76325, 82431, 137385, 228975, 412155, 686925, 2060775]

約数ペア:

[(1, 2060775), (3, 686925), (5, 412155), (9, 228975), (15, 137385), (25, 82431), (27, 76325), (43, 47925), (45, 45795), (71, 29025), (75, 27477), (129, 15975), (135, 15265), (213, 9675), (215, 9585), (225, 9159), (355, 5805), (387, 5325), (639, 3225), (645, 3195), (675, 3053), (1065, 1935), (1075, 1917), (1161, 1775)]