251436699

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 389376000

約数和(自身を除く): 137939301

約数列:

[1, 3, 9, 29, 47, 87, 103, 141, 199, 261, 309, 423, 597, 927, 1363, 1791, 2987, 4089, 4841, 5771, 8961, 9353, 12267, 14523, 17313, 20497, 26883, 28059, 43569, 51939, 61491, 84177, 140389, 184473, 271237, 421167, 594413, 813711, 963359, 1263501, 1783239, 2441133, 2890077, 5349717, 8670231, 27937411, 83812233, 251436699]

約数ペア:

[(1, 251436699), (3, 83812233), (9, 27937411), (29, 8670231), (47, 5349717), (87, 2890077), (103, 2441133), (141, 1783239), (199, 1263501), (261, 963359), (309, 813711), (423, 594413), (597, 421167), (927, 271237), (1363, 184473), (1791, 140389), (2987, 84177), (4089, 61491), (4841, 51939), (5771, 43569), (8961, 28059), (9353, 26883), (12267, 20497), (14523, 17313)]