257657841207

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1\times {\mathrm{26107}}^1$

素因数の和:27452

約数の個数: 48

約数和(自身を含む): 407121886080

約数和(自身を除く): 149464044873

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 1259, 2613, 3777, 7839, 11331, 16367, 26107, 49101, 78321, 84353, 147303, 234963, 253059, 339391, 759177, 1018173, 1096589, 1749169, 3054519, 3289767, 5247507, 9869301, 15742521, 22739197, 32868713, 68217591, 98606139, 204652773, 295818417, 427293269, 1281879807, 2202203771, 3845639421, 6606611313, 19819833939, 28628649023, 85885947069, 257657841207]

約数ペア:

[(1, 257657841207), (3, 85885947069), (9, 28628649023), (13, 19819833939), (39, 6606611313), (67, 3845639421), (117, 2202203771), (201, 1281879807), (603, 427293269), (871, 295818417), (1259, 204652773), (2613, 98606139), (3777, 68217591), (7839, 32868713), (11331, 22739197), (16367, 15742521), (26107, 9869301), (49101, 5247507), (78321, 3289767), (84353, 3054519), (147303, 1749169), (234963, 1096589), (253059, 1018173), (339391, 759177)]