42945819

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 69242880

約数和(自身を除く): 26297061

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 651, 861, 1271, 1609, 3813, 4827, 8897, 11263, 26691, 33789, 49879, 65969, 149637, 197907, 349153, 461783, 1047459, 1385349, 2045039, 6135117, 14315273, 42945819]

約数ペア:

[(1, 42945819), (3, 14315273), (7, 6135117), (21, 2045039), (31, 1385349), (41, 1047459), (93, 461783), (123, 349153), (217, 197907), (287, 149637), (651, 65969), (861, 49879), (1271, 33789), (1609, 26691), (3813, 11263), (4827, 8897)]