208080747

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{881}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 361041408

約数和(自身を除く): 152960661

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 163, 207, 483, 489, 881, 1141, 1449, 1467, 2643, 3423, 3749, 6167, 7929, 10269, 11247, 18501, 20263, 26243, 33741, 55503, 60789, 78729, 141841, 143603, 182367, 236187, 425523, 430809, 1005221, 1276569, 1292427, 3015663, 3302869, 9046989, 9908607, 23120083, 29725821, 69360249, 208080747]

約数ペア:

[(1, 208080747), (3, 69360249), (7, 29725821), (9, 23120083), (21, 9908607), (23, 9046989), (63, 3302869), (69, 3015663), (161, 1292427), (163, 1276569), (207, 1005221), (483, 430809), (489, 425523), (881, 236187), (1141, 182367), (1449, 143603), (1467, 141841), (2643, 78729), (3423, 60789), (3749, 55503), (6167, 33741), (7929, 26243), (10269, 20263), (11247, 18501)]