2808129681

素因数分解:

$3^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{15959}}^1$

素因数の和:16008

約数の個数: 64

約数和(自身を含む): 5107200000

約数和(自身を除く): 2299070319

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 343, 399, 441, 513, 931, 1029, 1197, 1323, 2793, 3087, 3591, 6517, 8379, 9261, 15959, 19551, 25137, 47877, 58653, 111713, 143631, 175959, 303221, 335139, 430893, 781991, 909663, 1005417, 2122547, 2345973, 2728989, 3016251, 5473937, 6367641, 7037919, 8186967, 14857829, 16421811, 19102923, 21113757, 44573487, 49265433, 57308769, 104004803, 133720461, 147796299, 312014409, 401161383, 936043227, 2808129681]

約数ペア:

[(1, 2808129681), (3, 936043227), (7, 401161383), (9, 312014409), (19, 147796299), (21, 133720461), (27, 104004803), (49, 57308769), (57, 49265433), (63, 44573487), (133, 21113757), (147, 19102923), (171, 16421811), (189, 14857829), (343, 8186967), (399, 7037919), (441, 6367641), (513, 5473937), (931, 3016251), (1029, 2728989), (1197, 2345973), (1323, 2122547), (2793, 1005417), (3087, 909663), (3591, 781991), (6517, 430893), (8379, 335139), (9261, 303221), (15959, 175959), (19551, 143631), (25137, 111713), (47877, 58653)]