54657975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 96636672

約数和(自身を除く): 41978697

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 163, 255, 263, 425, 489, 789, 815, 1275, 1315, 2445, 2771, 3945, 4075, 4471, 6575, 8313, 12225, 13413, 13855, 19725, 22355, 41565, 42869, 67065, 69275, 111775, 128607, 207825, 214345, 335325, 643035, 728773, 1071725, 2186319, 3215175, 3643865, 10931595, 18219325, 54657975]

約数ペア:

[(1, 54657975), (3, 18219325), (5, 10931595), (15, 3643865), (17, 3215175), (25, 2186319), (51, 1071725), (75, 728773), (85, 643035), (163, 335325), (255, 214345), (263, 207825), (425, 128607), (489, 111775), (789, 69275), (815, 67065), (1275, 42869), (1315, 41565), (2445, 22355), (2771, 19725), (3945, 13855), (4075, 13413), (4471, 12225), (6575, 8313)]