38780847

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 66772992

約数和(自身を除く): 27992145

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 127, 131, 259, 333, 381, 393, 777, 889, 917, 1143, 1179, 2331, 2667, 2751, 4699, 4847, 8001, 8253, 14097, 14541, 16637, 32893, 33929, 42291, 43623, 49911, 98679, 101787, 116459, 149733, 296037, 305361, 349377, 615569, 1048131, 1846707, 4308983, 5540121, 12926949, 38780847]

約数ペア:

[(1, 38780847), (3, 12926949), (7, 5540121), (9, 4308983), (21, 1846707), (37, 1048131), (63, 615569), (111, 349377), (127, 305361), (131, 296037), (259, 149733), (333, 116459), (381, 101787), (393, 98679), (777, 49911), (889, 43623), (917, 42291), (1143, 33929), (1179, 32893), (2331, 16637), (2667, 14541), (2751, 14097), (4699, 8253), (4847, 8001)]