255020199

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{877}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 397165056

約数和(自身を除く): 142144857

約数列:

[1, 3, 7, 21, 61, 183, 227, 427, 681, 877, 1281, 1589, 2631, 4767, 6139, 13847, 18417, 41541, 53497, 96929, 160491, 199079, 290787, 374479, 597237, 1123437, 1393553, 4180659, 12143819, 36431457, 85006733, 255020199]

約数ペア:

[(1, 255020199), (3, 85006733), (7, 36431457), (21, 12143819), (61, 4180659), (183, 1393553), (227, 1123437), (427, 597237), (681, 374479), (877, 290787), (1281, 199079), (1589, 160491), (2631, 96929), (4767, 53497), (6139, 41541), (13847, 18417)]