28053165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^2$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 53011584

約数和(自身を除く): 24958419

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 71, 105, 159, 213, 265, 355, 371, 497, 795, 1065, 1113, 1491, 1855, 2485, 3763, 5041, 5565, 7455, 11289, 15123, 18815, 25205, 26341, 35287, 56445, 75615, 79023, 105861, 131705, 176435, 267173, 395115, 529305, 801519, 1335865, 1870211, 4007595, 5610633, 9351055, 28053165]

約数ペア:

[(1, 28053165), (3, 9351055), (5, 5610633), (7, 4007595), (15, 1870211), (21, 1335865), (35, 801519), (53, 529305), (71, 395115), (105, 267173), (159, 176435), (213, 131705), (265, 105861), (355, 79023), (371, 75615), (497, 56445), (795, 35287), (1065, 26341), (1113, 25205), (1491, 18815), (1855, 15123), (2485, 11289), (3763, 7455), (5041, 5565)]