87301557

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1949}}^1$

素因数の和:2047

約数の個数: 40

約数和(自身を含む): 151008000

約数和(自身を除く): 63706443

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 711, 1659, 1949, 2133, 4977, 5847, 6399, 13643, 14931, 17541, 40929, 44793, 52623, 122787, 153971, 157869, 368361, 461913, 1077797, 1105083, 1385739, 3233391, 4157217, 9700173, 12471651, 29100519, 87301557]

約数ペア:

[(1, 87301557), (3, 29100519), (7, 12471651), (9, 9700173), (21, 4157217), (27, 3233391), (63, 1385739), (79, 1105083), (81, 1077797), (189, 461913), (237, 368361), (553, 157869), (567, 153971), (711, 122787), (1659, 52623), (1949, 44793), (2133, 40929), (4977, 17541), (5847, 14931), (6399, 13643)]