3938394879

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{150533}}^1$

素因数の和:150581

約数の個数: 40

約数和(自身を含む): 6557261040

約数和(自身を除く): 2618866161

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 969, 1377, 1539, 2907, 8721, 26163, 150533, 451599, 1354797, 2559061, 2860127, 4064391, 7677183, 8580381, 12193173, 23031549, 25741143, 48622159, 69094647, 77223429, 145866477, 207283941, 231670287, 437599431, 1312798293, 3938394879]

約数ペア:

[(1, 3938394879), (3, 1312798293), (9, 437599431), (17, 231670287), (19, 207283941), (27, 145866477), (51, 77223429), (57, 69094647), (81, 48622159), (153, 25741143), (171, 23031549), (323, 12193173), (459, 8580381), (513, 7677183), (969, 4064391), (1377, 2860127), (1539, 2559061), (2907, 1354797), (8721, 451599), (26163, 150533)]