68480979

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1176

約数の個数: 32

約数和(自身を含む): 108326400

約数和(自身を除く): 39845421

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 343, 427, 1029, 1091, 1281, 2989, 3273, 7637, 8967, 20923, 22911, 53459, 62769, 66551, 160377, 199653, 374213, 465857, 1122639, 1397571, 3260999, 9782997, 22826993, 68480979]

約数ペア:

[(1, 68480979), (3, 22826993), (7, 9782997), (21, 3260999), (49, 1397571), (61, 1122639), (147, 465857), (183, 374213), (343, 199653), (427, 160377), (1029, 66551), (1091, 62769), (1281, 53459), (2989, 22911), (3273, 20923), (7637, 8967)]