260017821

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 439171200

約数和(自身を除く): 179153379

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 229, 269, 469, 603, 687, 807, 1407, 1603, 1883, 2061, 2421, 4221, 4809, 5649, 14427, 15343, 16947, 18023, 46029, 54069, 61601, 107401, 126161, 138087, 162207, 184803, 322203, 378483, 431207, 554409, 966609, 1135449, 1293621, 3880863, 4127267, 12381801, 28890869, 37145403, 86672607, 260017821]

約数ペア:

[(1, 260017821), (3, 86672607), (7, 37145403), (9, 28890869), (21, 12381801), (63, 4127267), (67, 3880863), (201, 1293621), (229, 1135449), (269, 966609), (469, 554409), (603, 431207), (687, 378483), (807, 322203), (1407, 184803), (1603, 162207), (1883, 138087), (2061, 126161), (2421, 107401), (4221, 61601), (4809, 54069), (5649, 46029), (14427, 18023), (15343, 16947)]