251015829

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 362133504

約数和(自身を除く): 111117675

約数列:

[1, 3, 17, 51, 73, 191, 219, 353, 573, 1059, 1241, 3247, 3723, 6001, 9741, 13943, 18003, 25769, 41829, 67423, 77307, 202269, 237031, 438073, 711093, 1146191, 1314219, 3438573, 4921879, 14765637, 83671943, 251015829]

約数ペア:

[(1, 251015829), (3, 83671943), (17, 14765637), (51, 4921879), (73, 3438573), (191, 1314219), (219, 1146191), (353, 711093), (573, 438073), (1059, 237031), (1241, 202269), (3247, 77307), (3723, 67423), (6001, 41829), (9741, 25769), (13943, 18003)]