83891619

素因数分解:

$3^5\times 7^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 145017600

約数和(自身を除く): 61125981

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 243, 331, 447, 567, 993, 1043, 1341, 1701, 2317, 2979, 3129, 4023, 6951, 8937, 9387, 12069, 20853, 26811, 28161, 36207, 49319, 62559, 80433, 84483, 147957, 187677, 253449, 345233, 443871, 563031, 1035699, 1331613, 3107097, 3994839, 9321291, 11984517, 27963873, 83891619]

約数ペア:

[(1, 83891619), (3, 27963873), (7, 11984517), (9, 9321291), (21, 3994839), (27, 3107097), (63, 1331613), (81, 1035699), (149, 563031), (189, 443871), (243, 345233), (331, 253449), (447, 187677), (567, 147957), (993, 84483), (1043, 80433), (1341, 62559), (1701, 49319), (2317, 36207), (2979, 28161), (3129, 26811), (4023, 20853), (6951, 12069), (8937, 9387)]