2015685

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{79}}^1$

素因数の和:109

約数の個数: 56

約数和(自身を含む): 4197120

約数和(自身を除く): 2181435

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 81, 105, 135, 189, 237, 243, 315, 395, 405, 553, 567, 711, 729, 945, 1185, 1215, 1659, 1701, 2133, 2765, 2835, 3555, 3645, 4977, 5103, 6399, 8295, 8505, 10665, 14931, 19197, 24885, 25515, 31995, 44793, 57591, 74655, 95985, 134379, 223965, 287955, 403137, 671895, 2015685]

約数ペア:

[(1, 2015685), (3, 671895), (5, 403137), (7, 287955), (9, 223965), (15, 134379), (21, 95985), (27, 74655), (35, 57591), (45, 44793), (63, 31995), (79, 25515), (81, 24885), (105, 19197), (135, 14931), (189, 10665), (237, 8505), (243, 8295), (315, 6399), (395, 5103), (405, 4977), (553, 3645), (567, 3555), (711, 2835), (729, 2765), (945, 2133), (1185, 1701), (1215, 1659)]