71140257

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 114835968

約数和(自身を除く): 43695711

約数列:

[1, 3, 9, 17, 31, 51, 53, 93, 153, 159, 279, 283, 477, 527, 849, 901, 1581, 1643, 2547, 2703, 4743, 4811, 4929, 8109, 8773, 14433, 14787, 14999, 26319, 27931, 43299, 44997, 78957, 83793, 134991, 149141, 251379, 254983, 447423, 464969, 764949, 1342269, 1394907, 2294847, 4184721, 7904473, 23713419, 71140257]

約数ペア:

[(1, 71140257), (3, 23713419), (9, 7904473), (17, 4184721), (31, 2294847), (51, 1394907), (53, 1342269), (93, 764949), (153, 464969), (159, 447423), (279, 254983), (283, 251379), (477, 149141), (527, 134991), (849, 83793), (901, 78957), (1581, 44997), (1643, 43299), (2547, 27931), (2703, 26319), (4743, 14999), (4811, 14787), (4929, 14433), (8109, 8773)]