617085

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{653}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 1255680

約数和(自身を除く): 638595

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 653, 945, 1959, 3265, 4571, 5877, 9795, 13713, 17631, 22855, 29385, 41139, 68565, 88155, 123417, 205695, 617085]

約数ペア:

[(1, 617085), (3, 205695), (5, 123417), (7, 88155), (9, 68565), (15, 41139), (21, 29385), (27, 22855), (35, 17631), (45, 13713), (63, 9795), (105, 5877), (135, 4571), (189, 3265), (315, 1959), (653, 945)]