3912825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 7678080

約数和(自身を除く): 3765255

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 145, 175, 203, 257, 435, 525, 609, 725, 771, 1015, 1285, 1799, 2175, 3045, 3855, 5075, 5397, 6425, 7453, 8995, 15225, 19275, 22359, 26985, 37265, 44975, 52171, 111795, 134925, 156513, 186325, 260855, 558975, 782565, 1304275, 3912825]

約数ペア:

[(1, 3912825), (3, 1304275), (5, 782565), (7, 558975), (15, 260855), (21, 186325), (25, 156513), (29, 134925), (35, 111795), (75, 52171), (87, 44975), (105, 37265), (145, 26985), (175, 22359), (203, 19275), (257, 15225), (435, 8995), (525, 7453), (609, 6425), (725, 5397), (771, 5075), (1015, 3855), (1285, 3045), (1799, 2175)]