201901125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 362419200

約数和(自身を除く): 160518075

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 125, 129, 215, 285, 375, 475, 645, 659, 817, 1075, 1425, 1977, 2375, 2451, 3225, 3295, 4085, 5375, 7125, 9885, 12255, 12521, 16125, 16475, 20425, 28337, 37563, 49425, 61275, 62605, 82375, 85011, 102125, 141685, 187815, 247125, 306375, 313025, 425055, 538403, 708425, 939075, 1565125, 1615209, 2125275, 2692015, 3542125, 4695375, 8076045, 10626375, 13460075, 40380225, 67300375, 201901125]

約数ペア:

[(1, 201901125), (3, 67300375), (5, 40380225), (15, 13460075), (19, 10626375), (25, 8076045), (43, 4695375), (57, 3542125), (75, 2692015), (95, 2125275), (125, 1615209), (129, 1565125), (215, 939075), (285, 708425), (375, 538403), (475, 425055), (645, 313025), (659, 306375), (817, 247125), (1075, 187815), (1425, 141685), (1977, 102125), (2375, 85011), (2451, 82375), (3225, 62605), (3295, 61275), (4085, 49425), (5375, 37563), (7125, 28337), (9885, 20425), (12255, 16475), (12521, 16125)]