378889269

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 558835200

約数和(自身を除く): 179945931

約数列:

[1, 3, 11, 33, 149, 251, 307, 447, 753, 921, 1639, 2761, 3377, 4917, 8283, 10131, 37399, 45743, 77057, 112197, 137229, 231171, 411389, 503173, 847627, 1234167, 1509519, 2542881, 11481493, 34444479, 126296423, 378889269]

約数ペア:

[(1, 378889269), (3, 126296423), (11, 34444479), (33, 11481493), (149, 2542881), (251, 1509519), (307, 1234167), (447, 847627), (753, 503173), (921, 411389), (1639, 231171), (2761, 137229), (3377, 112197), (4917, 77057), (8283, 45743), (10131, 37399)]