30688553

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 40032000

約数和(自身を除く): 9343447

約数列:

[1, 7, 17, 19, 49, 119, 133, 277, 323, 343, 833, 931, 1939, 2261, 4709, 5263, 5831, 6517, 13573, 15827, 32963, 36841, 89471, 95011, 110789, 230741, 257887, 626297, 1615187, 1805209, 4384079, 30688553]

約数ペア:

[(1, 30688553), (7, 4384079), (17, 1805209), (19, 1615187), (49, 626297), (119, 257887), (133, 230741), (277, 110789), (323, 95011), (343, 89471), (833, 36841), (931, 32963), (1939, 15827), (2261, 13573), (4709, 6517), (5263, 5831)]