2684745

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{947}}^1$

素因数の和:971

約数の個数: 40

約数和(自身を含む): 5505984

約数和(自身を除く): 2821239

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 947, 2835, 2841, 4735, 6629, 8523, 14205, 19887, 25569, 33145, 42615, 59661, 76707, 99435, 127845, 178983, 298305, 383535, 536949, 894915, 2684745]

約数ペア:

[(1, 2684745), (3, 894915), (5, 536949), (7, 383535), (9, 298305), (15, 178983), (21, 127845), (27, 99435), (35, 76707), (45, 59661), (63, 42615), (81, 33145), (105, 25569), (135, 19887), (189, 14205), (315, 8523), (405, 6629), (567, 4735), (945, 2841), (947, 2835)]