2109178425

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{997}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 3551187392

約数和(自身を除く): 1442008967

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 421, 997, 1005, 1263, 1675, 2105, 2991, 4985, 5025, 6315, 10525, 14955, 24925, 28207, 31575, 66799, 74775, 84621, 141035, 200397, 333995, 419737, 423105, 705175, 1001985, 1259211, 1669975, 2098685, 2115525, 5009925, 6296055, 10493425, 28122379, 31480275, 84367137, 140611895, 421835685, 703059475, 2109178425]

約数ペア:

[(1, 2109178425), (3, 703059475), (5, 421835685), (15, 140611895), (25, 84367137), (67, 31480275), (75, 28122379), (201, 10493425), (335, 6296055), (421, 5009925), (997, 2115525), (1005, 2098685), (1263, 1669975), (1675, 1259211), (2105, 1001985), (2991, 705175), (4985, 423105), (5025, 419737), (6315, 333995), (10525, 200397), (14955, 141035), (24925, 84621), (28207, 74775), (31575, 66799)]