203220927

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 374492160

約数和(自身を除く): 171271233

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 107, 117, 189, 273, 321, 351, 749, 773, 819, 963, 1391, 2247, 2319, 2457, 2889, 4173, 5411, 6741, 6957, 9737, 10049, 12519, 16233, 20223, 20871, 29211, 30147, 37557, 48699, 70343, 82711, 87633, 90441, 146097, 211029, 248133, 262899, 271323, 578977, 633087, 744399, 1075243, 1736931, 1899261, 2233197, 3225729, 5210793, 7526701, 9677187, 15632379, 22580103, 29031561, 67740309, 203220927]

約数ペア:

[(1, 203220927), (3, 67740309), (7, 29031561), (9, 22580103), (13, 15632379), (21, 9677187), (27, 7526701), (39, 5210793), (63, 3225729), (91, 2233197), (107, 1899261), (117, 1736931), (189, 1075243), (273, 744399), (321, 633087), (351, 578977), (749, 271323), (773, 262899), (819, 248133), (963, 211029), (1391, 146097), (2247, 90441), (2319, 87633), (2457, 82711), (2889, 70343), (4173, 48699), (5411, 37557), (6741, 30147), (6957, 29211), (9737, 20871), (10049, 20223), (12519, 16233)]