420031725

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{40879}}^1$

素因数の和:41029

約数の個数: 24

約数和(自身を含む): 699538560

約数和(自身を除く): 279506835

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2055, 3425, 10275, 40879, 122637, 204395, 613185, 1021975, 3065925, 5600423, 16801269, 28002115, 84006345, 140010575, 420031725]

約数ペア:

[(1, 420031725), (3, 140010575), (5, 84006345), (15, 28002115), (25, 16801269), (75, 5600423), (137, 3065925), (411, 1021975), (685, 613185), (2055, 204395), (3425, 122637), (10275, 40879)]