2520030891

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{21767}}^1$

素因数の和:21963

約数の個数: 32

約数和(自身を含む): 3970483200

約数和(自身を除く): 1450452309

約数列:

[1, 3, 7, 21, 37, 111, 149, 259, 447, 777, 1043, 3129, 5513, 16539, 21767, 38591, 65301, 115773, 152369, 457107, 805379, 2416137, 3243283, 5637653, 9729849, 16912959, 22702981, 68108943, 120001471, 360004413, 840010297, 2520030891]

約数ペア:

[(1, 2520030891), (3, 840010297), (7, 360004413), (21, 120001471), (37, 68108943), (111, 22702981), (149, 16912959), (259, 9729849), (447, 5637653), (777, 3243283), (1043, 2416137), (3129, 805379), (5513, 457107), (16539, 152369), (21767, 115773), (38591, 65301)]