207789975

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{7159}}^1$

素因数の和:7221

約数の個数: 48

約数和(自身を含む): 390649600

約数和(自身を除く): 182859625

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 3225, 5805, 7159, 9675, 21477, 29025, 35795, 64431, 107385, 178975, 193293, 307837, 322155, 536925, 923511, 966465, 1539185, 1610775, 2770533, 4617555, 4832325, 7695925, 8311599, 13852665, 23087775, 41557995, 69263325, 207789975]

約数ペア:

[(1, 207789975), (3, 69263325), (5, 41557995), (9, 23087775), (15, 13852665), (25, 8311599), (27, 7695925), (43, 4832325), (45, 4617555), (75, 2770533), (129, 1610775), (135, 1539185), (215, 966465), (225, 923511), (387, 536925), (645, 322155), (675, 307837), (1075, 193293), (1161, 178975), (1935, 107385), (3225, 64431), (5805, 35795), (7159, 29025), (9675, 21477)]