207721725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{827}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 365923008

約数和(自身を除く): 158201283

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 197, 255, 425, 591, 827, 985, 1275, 2481, 2955, 3349, 4135, 4925, 10047, 12405, 14059, 14775, 16745, 20675, 42177, 50235, 62025, 70295, 83725, 162919, 210885, 251175, 351475, 488757, 814595, 1054425, 2443785, 2769623, 4072975, 8308869, 12218925, 13848115, 41544345, 69240575, 207721725]

約数ペア:

[(1, 207721725), (3, 69240575), (5, 41544345), (15, 13848115), (17, 12218925), (25, 8308869), (51, 4072975), (75, 2769623), (85, 2443785), (197, 1054425), (255, 814595), (425, 488757), (591, 351475), (827, 251175), (985, 210885), (1275, 162919), (2481, 83725), (2955, 70295), (3349, 62025), (4135, 50235), (4925, 42177), (10047, 20675), (12405, 16745), (14059, 14775)]