81324711

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 135023616

約数和(自身を除く): 53698905

約数列:

[1, 3, 9, 13, 23, 39, 47, 69, 117, 141, 207, 299, 423, 611, 643, 897, 1081, 1833, 1929, 2691, 3243, 5499, 5787, 8359, 9729, 14053, 14789, 25077, 30221, 42159, 44367, 75231, 90663, 126477, 133101, 192257, 271989, 392873, 576771, 695083, 1178619, 1730313, 2085249, 3535857, 6255747, 9036079, 27108237, 81324711]

約数ペア:

[(1, 81324711), (3, 27108237), (9, 9036079), (13, 6255747), (23, 3535857), (39, 2085249), (47, 1730313), (69, 1178619), (117, 695083), (141, 576771), (207, 392873), (299, 271989), (423, 192257), (611, 133101), (643, 126477), (897, 90663), (1081, 75231), (1833, 44367), (1929, 42159), (2691, 30221), (3243, 25077), (5499, 14789), (5787, 14053), (8359, 9729)]