27699420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{65951}}^1$

素因数の和:65970

約数の個数: 48

約数和(自身を含む): 88639488

約数和(自身を除く): 60940068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 65951, 131902, 197853, 263804, 329755, 395706, 461657, 659510, 791412, 923314, 989265, 1319020, 1384971, 1846628, 1978530, 2308285, 2769942, 3957060, 4616570, 5539884, 6924855, 9233140, 13849710, 27699420]

約数ペア:

[(1, 27699420), (2, 13849710), (3, 9233140), (4, 6924855), (5, 5539884), (6, 4616570), (7, 3957060), (10, 2769942), (12, 2308285), (14, 1978530), (15, 1846628), (20, 1384971), (21, 1319020), (28, 989265), (30, 923314), (35, 791412), (42, 659510), (60, 461657), (70, 395706), (84, 329755), (105, 263804), (140, 197853), (210, 131902), (420, 65951)]