209385957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1487}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 323979264

約数和(自身を除く): 114593307

約数列:

[1, 3, 11, 17, 33, 51, 187, 251, 561, 753, 1487, 2761, 4267, 4461, 8283, 12801, 16357, 25279, 46937, 49071, 75837, 140811, 278069, 373237, 834207, 1119711, 4105607, 6345029, 12316821, 19035087, 69795319, 209385957]

約数ペア:

[(1, 209385957), (3, 69795319), (11, 19035087), (17, 12316821), (33, 6345029), (51, 4105607), (187, 1119711), (251, 834207), (561, 373237), (753, 278069), (1487, 140811), (2761, 75837), (4267, 49071), (4461, 46937), (8283, 25279), (12801, 16357)]