221467257

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{9439}}^1$

素因数の和:9538

約数の個数: 32

約数和(自身を含む): 362496000

約数和(自身を除く): 141028743

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 237, 297, 711, 869, 2133, 2607, 7821, 9439, 23463, 28317, 84951, 103829, 254853, 311487, 745681, 934461, 2237043, 2803383, 6711129, 8202491, 20133387, 24607473, 73822419, 221467257]

約数ペア:

[(1, 221467257), (3, 73822419), (9, 24607473), (11, 20133387), (27, 8202491), (33, 6711129), (79, 2803383), (99, 2237043), (237, 934461), (297, 745681), (711, 311487), (869, 254853), (2133, 103829), (2607, 84951), (7821, 28317), (9439, 23463)]