663698925

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{463}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 1247610624

約数和(自身を除く): 583911699

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 277, 345, 463, 575, 831, 1035, 1385, 1389, 1725, 2315, 2493, 4155, 4167, 5175, 6371, 6925, 6945, 10649, 11575, 12465, 19113, 20775, 20835, 31855, 31947, 34725, 53245, 57339, 62325, 95565, 95841, 104175, 128251, 159275, 159735, 266225, 286695, 384753, 477825, 479205, 641255, 798675, 1154259, 1433475, 1923765, 2396025, 2949773, 3206275, 5771295, 8849319, 9618825, 14748865, 26547957, 28856475, 44246595, 73744325, 132739785, 221232975, 663698925]

約数ペア:

[(1, 663698925), (3, 221232975), (5, 132739785), (9, 73744325), (15, 44246595), (23, 28856475), (25, 26547957), (45, 14748865), (69, 9618825), (75, 8849319), (115, 5771295), (207, 3206275), (225, 2949773), (277, 2396025), (345, 1923765), (463, 1433475), (575, 1154259), (831, 798675), (1035, 641255), (1385, 479205), (1389, 477825), (1725, 384753), (2315, 286695), (2493, 266225), (4155, 159735), (4167, 159275), (5175, 128251), (6371, 104175), (6925, 95841), (6945, 95565), (10649, 62325), (11575, 57339), (12465, 53245), (19113, 34725), (20775, 31947), (20835, 31855)]