2811771165

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{20029}}^1$

素因数の和:20242

約数の個数: 48

約数和(自身を含む): 5260999680

約数和(自身を除く): 2449228515

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 191, 245, 573, 735, 955, 1337, 2865, 4011, 6685, 9359, 20029, 20055, 28077, 46795, 60087, 100145, 140203, 140385, 300435, 420609, 701015, 981421, 2103045, 2944263, 3825539, 4907105, 11476617, 14721315, 19127695, 26778773, 57383085, 80336319, 133893865, 187451411, 401681595, 562354233, 937257055, 2811771165]

約数ペア:

[(1, 2811771165), (3, 937257055), (5, 562354233), (7, 401681595), (15, 187451411), (21, 133893865), (35, 80336319), (49, 57383085), (105, 26778773), (147, 19127695), (191, 14721315), (245, 11476617), (573, 4907105), (735, 3825539), (955, 2944263), (1337, 2103045), (2865, 981421), (4011, 701015), (6685, 420609), (9359, 300435), (20029, 140385), (20055, 140203), (28077, 100145), (46795, 60087)]