2028525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 3731904

約数和(自身を除く): 1703379

約数列:

[1, 3, 5, 15, 17, 25, 37, 43, 51, 75, 85, 111, 129, 185, 215, 255, 425, 555, 629, 645, 731, 925, 1075, 1275, 1591, 1887, 2193, 2775, 3145, 3225, 3655, 4773, 7955, 9435, 10965, 15725, 18275, 23865, 27047, 39775, 47175, 54825, 81141, 119325, 135235, 405705, 676175, 2028525]

約数ペア:

[(1, 2028525), (3, 676175), (5, 405705), (15, 135235), (17, 119325), (25, 81141), (37, 54825), (43, 47175), (51, 39775), (75, 27047), (85, 23865), (111, 18275), (129, 15725), (185, 10965), (215, 9435), (255, 7955), (425, 4773), (555, 3655), (629, 3225), (645, 3145), (731, 2775), (925, 2193), (1075, 1887), (1275, 1591)]