81245178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33937}}^1$

素因数の和:33971

約数の個数: 48

約数和(自身を含む): 211773120

約数和(自身を除く): 130527942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 33937, 67874, 101811, 203622, 237559, 305433, 475118, 610866, 644803, 712677, 1289606, 1425354, 1934409, 2138031, 3868818, 4276062, 4513621, 5803227, 9027242, 11606454, 13540863, 27081726, 40622589, 81245178]

約数ペア:

[(1, 81245178), (2, 40622589), (3, 27081726), (6, 13540863), (7, 11606454), (9, 9027242), (14, 5803227), (18, 4513621), (19, 4276062), (21, 3868818), (38, 2138031), (42, 1934409), (57, 1425354), (63, 1289606), (114, 712677), (126, 644803), (133, 610866), (171, 475118), (266, 305433), (342, 237559), (399, 203622), (798, 101811), (1197, 67874), (2394, 33937)]