42939981

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 77251200

約数和(自身を除く): 34311219

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 609, 1197, 1237, 1653, 1827, 3711, 3857, 4959, 8659, 11133, 11571, 23503, 25977, 34713, 35873, 70509, 77931, 107619, 164521, 211527, 251111, 322857, 493563, 681587, 753333, 1480689, 2044761, 2259999, 4771109, 6134283, 14313327, 42939981]

約数ペア:

[(1, 42939981), (3, 14313327), (7, 6134283), (9, 4771109), (19, 2259999), (21, 2044761), (29, 1480689), (57, 753333), (63, 681587), (87, 493563), (133, 322857), (171, 251111), (203, 211527), (261, 164521), (399, 107619), (551, 77931), (609, 70509), (1197, 35873), (1237, 34713), (1653, 25977), (1827, 23503), (3711, 11571), (3857, 11133), (4959, 8659)]