421620927

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{90847}}^1$

素因数の和:90887

約数の個数: 32

約数和(自身を含む): 732598272

約数和(自身を除く): 310977345

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 90847, 272541, 635929, 1181011, 1544399, 1907787, 3543033, 4633197, 8267077, 10810793, 20077187, 24801231, 32432379, 60231561, 140540309, 421620927]

約数ペア:

[(1, 421620927), (3, 140540309), (7, 60231561), (13, 32432379), (17, 24801231), (21, 20077187), (39, 10810793), (51, 8267077), (91, 4633197), (119, 3543033), (221, 1907787), (273, 1544399), (357, 1181011), (663, 635929), (1547, 272541), (4641, 90847)]