84857139

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 130680000

約数和(自身を除く): 45822861

約数列:

[1, 3, 9, 27, 79, 81, 89, 149, 237, 267, 447, 711, 801, 1341, 2133, 2403, 4023, 6399, 7031, 7209, 11771, 12069, 13261, 21093, 35313, 39783, 63279, 105939, 119349, 189837, 317817, 358047, 569511, 953451, 1047619, 1074141, 3142857, 9428571, 28285713, 84857139]

約数ペア:

[(1, 84857139), (3, 28285713), (9, 9428571), (27, 3142857), (79, 1074141), (81, 1047619), (89, 953451), (149, 569511), (237, 358047), (267, 317817), (447, 189837), (711, 119349), (801, 105939), (1341, 63279), (2133, 39783), (2403, 35313), (4023, 21093), (6399, 13261), (7031, 12069), (7209, 11771)]