208081125

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{26423}}^1$

素因数の和:26451

約数の個数: 48

約数和(自身を含む): 428702976

約数和(自身を除く): 220621851

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 1125, 1575, 2625, 7875, 26423, 79269, 132115, 184961, 237807, 396345, 554883, 660575, 924805, 1189035, 1664649, 1981725, 2774415, 3302875, 4624025, 5945175, 8323245, 9908625, 13872075, 23120125, 29725875, 41616225, 69360375, 208081125]

約数ペア:

[(1, 208081125), (3, 69360375), (5, 41616225), (7, 29725875), (9, 23120125), (15, 13872075), (21, 9908625), (25, 8323245), (35, 5945175), (45, 4624025), (63, 3302875), (75, 2774415), (105, 1981725), (125, 1664649), (175, 1189035), (225, 924805), (315, 660575), (375, 554883), (525, 396345), (875, 237807), (1125, 184961), (1575, 132115), (2625, 79269), (7875, 26423)]