47379765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 85536000

約数和(自身を除く): 38156235

約数列:

[1, 3, 5, 15, 17, 29, 43, 51, 85, 87, 129, 145, 149, 215, 255, 435, 447, 493, 645, 731, 745, 1247, 1479, 2193, 2235, 2465, 2533, 3655, 3741, 4321, 6235, 6407, 7395, 7599, 10965, 12665, 12963, 18705, 19221, 21199, 21605, 32035, 37995, 63597, 64815, 73457, 96105, 105995, 108919, 185803, 220371, 317985, 326757, 367285, 544595, 557409, 929015, 1101855, 1633785, 2787045, 3158651, 9475953, 15793255, 47379765]

約数ペア:

[(1, 47379765), (3, 15793255), (5, 9475953), (15, 3158651), (17, 2787045), (29, 1633785), (43, 1101855), (51, 929015), (85, 557409), (87, 544595), (129, 367285), (145, 326757), (149, 317985), (215, 220371), (255, 185803), (435, 108919), (447, 105995), (493, 96105), (645, 73457), (731, 64815), (745, 63597), (1247, 37995), (1479, 32035), (2193, 21605), (2235, 21199), (2465, 19221), (2533, 18705), (3655, 12963), (3741, 12665), (4321, 10965), (6235, 7599), (6407, 7395)]