258869439

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{491}}^1$

素因数の和:809

約数の個数: 40

約数和(自身を含む): 405770112

約数和(自身を除く): 146900673

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 283, 491, 621, 849, 1473, 1863, 2547, 4419, 6509, 7641, 11293, 13257, 19527, 22923, 33879, 39771, 58581, 101637, 138953, 175743, 304911, 416859, 527229, 914733, 1250577, 3195919, 3751731, 9587757, 11255193, 28763271, 86289813, 258869439]

約数ペア:

[(1, 258869439), (3, 86289813), (9, 28763271), (23, 11255193), (27, 9587757), (69, 3751731), (81, 3195919), (207, 1250577), (283, 914733), (491, 527229), (621, 416859), (849, 304911), (1473, 175743), (1863, 138953), (2547, 101637), (4419, 58581), (6509, 39771), (7641, 33879), (11293, 22923), (13257, 19527)]