71249745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 137539584

約数和(自身を除く): 66289839

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 163, 181, 345, 483, 489, 543, 805, 815, 905, 1141, 1267, 2415, 2445, 2715, 3423, 3749, 3801, 4163, 5705, 6335, 11247, 12489, 17115, 18745, 19005, 20815, 26243, 29141, 29503, 56235, 62445, 78729, 87423, 88509, 131215, 145705, 147515, 206521, 393645, 437115, 442545, 619563, 678569, 1032605, 2035707, 3097815, 3392845, 4749983, 10178535, 14249949, 23749915, 71249745]

約数ペア:

[(1, 71249745), (3, 23749915), (5, 14249949), (7, 10178535), (15, 4749983), (21, 3392845), (23, 3097815), (35, 2035707), (69, 1032605), (105, 678569), (115, 619563), (161, 442545), (163, 437115), (181, 393645), (345, 206521), (483, 147515), (489, 145705), (543, 131215), (805, 88509), (815, 87423), (905, 78729), (1141, 62445), (1267, 56235), (2415, 29503), (2445, 29141), (2715, 26243), (3423, 20815), (3749, 19005), (3801, 18745), (4163, 17115), (5705, 12489), (6335, 11247)]