163940139

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{991}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 265697280

約数和(自身を除く): 101757141

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 557, 991, 1671, 2973, 5013, 6127, 8919, 10901, 15039, 18381, 26757, 32703, 55143, 98109, 165429, 294327, 551987, 1655961, 4967883, 6071857, 14903649, 18215571, 54646713, 163940139]

約数ペア:

[(1, 163940139), (3, 54646713), (9, 18215571), (11, 14903649), (27, 6071857), (33, 4967883), (99, 1655961), (297, 551987), (557, 294327), (991, 165429), (1671, 98109), (2973, 55143), (5013, 32703), (6127, 26757), (8919, 18381), (10901, 15039)]