71350275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 126313344

約数和(自身を除く): 54963069

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 107, 255, 321, 425, 523, 535, 1275, 1569, 1605, 1819, 2615, 2675, 5457, 7845, 8025, 8891, 9095, 13075, 26673, 27285, 39225, 44455, 45475, 55961, 133365, 136425, 167883, 222275, 279805, 666825, 839415, 951337, 1399025, 2854011, 4197075, 4756685, 14270055, 23783425, 71350275]

約数ペア:

[(1, 71350275), (3, 23783425), (5, 14270055), (15, 4756685), (17, 4197075), (25, 2854011), (51, 1399025), (75, 951337), (85, 839415), (107, 666825), (255, 279805), (321, 222275), (425, 167883), (523, 136425), (535, 133365), (1275, 55961), (1569, 45475), (1605, 44455), (1819, 39225), (2615, 27285), (2675, 26673), (5457, 13075), (7845, 9095), (8025, 8891)]