17780492331

素因数分解:

$3^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{113209}}^1$

素因数の和:113505

約数の個数: 40

約数和(自身を含む): 30465263840

約数和(自身を除く): 12684771509

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 277, 567, 831, 1939, 2493, 5817, 7479, 17451, 22437, 52353, 113209, 157059, 339627, 792463, 1018881, 2377389, 3056643, 7132167, 9169929, 21396501, 31358893, 64189503, 94076679, 219512251, 282230037, 658536753, 846690111, 1975610259, 2540070333, 5926830777, 17780492331]

約数ペア:

[(1, 17780492331), (3, 5926830777), (7, 2540070333), (9, 1975610259), (21, 846690111), (27, 658536753), (63, 282230037), (81, 219512251), (189, 94076679), (277, 64189503), (567, 31358893), (831, 21396501), (1939, 9169929), (2493, 7132167), (5817, 3056643), (7479, 2377389), (17451, 1018881), (22437, 792463), (52353, 339627), (113209, 157059)]