80863839

素因数分解:

$3^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 139845888

約数和(自身を除く): 58982049

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 243, 347, 411, 567, 959, 1041, 1233, 1701, 2429, 2877, 3123, 3699, 7287, 8631, 9369, 11097, 21861, 25893, 28107, 33291, 47539, 65583, 77679, 84321, 142617, 196749, 233037, 332773, 427851, 590247, 998319, 1283553, 2994957, 3850659, 8984871, 11551977, 26954613, 80863839]

約数ペア:

[(1, 80863839), (3, 26954613), (7, 11551977), (9, 8984871), (21, 3850659), (27, 2994957), (63, 1283553), (81, 998319), (137, 590247), (189, 427851), (243, 332773), (347, 233037), (411, 196749), (567, 142617), (959, 84321), (1041, 77679), (1233, 65583), (1701, 47539), (2429, 33291), (2877, 28107), (3123, 25893), (3699, 21861), (7287, 11097), (8631, 9369)]