205121595

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1873}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 384544800

約数和(自身を除く): 179423205

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 149, 245, 447, 735, 745, 1043, 1873, 2235, 3129, 5215, 5619, 7301, 9365, 13111, 15645, 21903, 28095, 36505, 39333, 65555, 91777, 109515, 196665, 275331, 279077, 458885, 837231, 1376655, 1395385, 1953539, 4186155, 5860617, 9767695, 13674773, 29303085, 41024319, 68373865, 205121595]

約数ペア:

[(1, 205121595), (3, 68373865), (5, 41024319), (7, 29303085), (15, 13674773), (21, 9767695), (35, 5860617), (49, 4186155), (105, 1953539), (147, 1395385), (149, 1376655), (245, 837231), (447, 458885), (735, 279077), (745, 275331), (1043, 196665), (1873, 109515), (2235, 91777), (3129, 65555), (5215, 39333), (5619, 36505), (7301, 28095), (9365, 21903), (13111, 15645)]