681291249

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 954462720

約数和(自身を除く): 273171471

約数列:

[1, 3, 37, 61, 111, 183, 239, 421, 717, 1263, 2257, 6771, 8843, 14579, 15577, 25681, 26529, 43737, 46731, 77043, 100619, 301857, 539423, 950197, 1618269, 2850591, 3722903, 6137759, 11168709, 18413277, 227097083, 681291249]

約数ペア:

[(1, 681291249), (3, 227097083), (37, 18413277), (61, 11168709), (111, 6137759), (183, 3722903), (239, 2850591), (421, 1618269), (717, 950197), (1263, 539423), (2257, 301857), (6771, 100619), (8843, 77043), (14579, 46731), (15577, 43737), (25681, 26529)]