251011071

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 396978400

約数和(自身を除く): 145967329

約数列:

[1, 3, 9, 19, 37, 57, 97, 111, 171, 291, 333, 409, 703, 873, 1227, 1843, 2109, 3589, 3681, 5529, 6327, 7771, 10767, 15133, 16587, 23313, 32301, 39673, 45399, 68191, 69939, 119019, 136197, 204573, 287527, 357057, 613719, 753787, 862581, 1467901, 2261361, 2587743, 4403703, 6784083, 13211109, 27890119, 83670357, 251011071]

約数ペア:

[(1, 251011071), (3, 83670357), (9, 27890119), (19, 13211109), (37, 6784083), (57, 4403703), (97, 2587743), (111, 2261361), (171, 1467901), (291, 862581), (333, 753787), (409, 613719), (703, 357057), (873, 287527), (1227, 204573), (1843, 136197), (2109, 119019), (3589, 69939), (3681, 68191), (5529, 45399), (6327, 39673), (7771, 32301), (10767, 23313), (15133, 16587)]