209315565

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 376736256

約数和(自身を除く): 167420691

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 227, 279, 465, 661, 681, 1135, 1395, 1983, 2043, 3305, 3405, 5949, 7037, 9915, 10215, 20491, 21111, 29745, 35185, 61473, 63333, 102455, 105555, 150047, 184419, 307365, 316665, 450141, 750235, 922095, 1350423, 2250705, 4651457, 6752115, 13954371, 23257285, 41863113, 69771855, 209315565]

約数ペア:

[(1, 209315565), (3, 69771855), (5, 41863113), (9, 23257285), (15, 13954371), (31, 6752115), (45, 4651457), (93, 2250705), (155, 1350423), (227, 922095), (279, 750235), (465, 450141), (661, 316665), (681, 307365), (1135, 184419), (1395, 150047), (1983, 105555), (2043, 102455), (3305, 63333), (3405, 61473), (5949, 35185), (7037, 29745), (9915, 21111), (10215, 20491)]