12556971

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 22297600

約数和(自身を除く): 9740629

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 79, 87, 189, 203, 237, 261, 553, 609, 711, 783, 841, 1659, 1827, 2133, 2291, 2523, 4977, 5481, 5887, 6873, 7569, 14931, 16037, 17661, 20619, 22707, 48111, 52983, 61857, 66439, 144333, 158949, 199317, 432999, 465073, 597951, 1395219, 1793853, 4185657, 12556971]

約数ペア:

[(1, 12556971), (3, 4185657), (7, 1793853), (9, 1395219), (21, 597951), (27, 465073), (29, 432999), (63, 199317), (79, 158949), (87, 144333), (189, 66439), (203, 61857), (237, 52983), (261, 48111), (553, 22707), (609, 20619), (711, 17661), (783, 16037), (841, 14931), (1659, 7569), (1827, 6873), (2133, 5887), (2291, 5481), (2523, 4977)]