156635289

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 239739720

約数和(自身を除く): 83104431

約数列:

[1, 3, 9, 27, 81, 109, 113, 157, 327, 339, 471, 981, 1017, 1413, 2943, 3051, 4239, 8829, 9153, 12317, 12717, 17113, 17741, 36951, 51339, 53223, 110853, 154017, 159669, 332559, 462051, 479007, 997677, 1386153, 1437021, 1933769, 5801307, 17403921, 52211763, 156635289]

約数ペア:

[(1, 156635289), (3, 52211763), (9, 17403921), (27, 5801307), (81, 1933769), (109, 1437021), (113, 1386153), (157, 997677), (327, 479007), (339, 462051), (471, 332559), (981, 159669), (1017, 154017), (1413, 110853), (2943, 53223), (3051, 51339), (4239, 36951), (8829, 17741), (9153, 17113), (12317, 12717)]