387858723

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 664289280

約数和(自身を除く): 276430557

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 211, 271, 323, 357, 399, 633, 813, 969, 1477, 1897, 2261, 3587, 4009, 4431, 4607, 5149, 5691, 6783, 10761, 12027, 13821, 15447, 25109, 28063, 32249, 36043, 57181, 68153, 75327, 84189, 87533, 96747, 108129, 171543, 204459, 262599, 400267, 477071, 612731, 972077, 1086439, 1200801, 1431213, 1838193, 2916231, 3259317, 6804539, 7605073, 18469463, 20413617, 22815219, 55408389, 129286241, 387858723]

約数ペア:

[(1, 387858723), (3, 129286241), (7, 55408389), (17, 22815219), (19, 20413617), (21, 18469463), (51, 7605073), (57, 6804539), (119, 3259317), (133, 2916231), (211, 1838193), (271, 1431213), (323, 1200801), (357, 1086439), (399, 972077), (633, 612731), (813, 477071), (969, 400267), (1477, 262599), (1897, 204459), (2261, 171543), (3587, 108129), (4009, 96747), (4431, 87533), (4607, 84189), (5149, 75327), (5691, 68153), (6783, 57181), (10761, 36043), (12027, 32249), (13821, 28063), (15447, 25109)]