23517117

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 15794883

約数列:

[1, 3, 9, 13, 19, 39, 57, 71, 117, 149, 171, 213, 247, 447, 639, 741, 923, 1341, 1349, 1937, 2223, 2769, 2831, 4047, 5811, 8307, 8493, 10579, 12141, 17433, 17537, 25479, 31737, 36803, 52611, 95211, 110409, 137527, 157833, 201001, 331227, 412581, 603003, 1237743, 1809009, 2613013, 7839039, 23517117]

約数ペア:

[(1, 23517117), (3, 7839039), (9, 2613013), (13, 1809009), (19, 1237743), (39, 603003), (57, 412581), (71, 331227), (117, 201001), (149, 157833), (171, 137527), (213, 110409), (247, 95211), (447, 52611), (639, 36803), (741, 31737), (923, 25479), (1341, 17537), (1349, 17433), (1937, 12141), (2223, 10579), (2769, 8493), (2831, 8307), (4047, 5811)]