17995635

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 37094400

約数和(自身を除く): 19098765

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 137, 139, 189, 315, 411, 417, 685, 695, 945, 959, 973, 1233, 1251, 2055, 2085, 2877, 2919, 3699, 3753, 4795, 4865, 6165, 6255, 8631, 8757, 14385, 14595, 18495, 18765, 19043, 25893, 26271, 43155, 43785, 57129, 95215, 129465, 131355, 133301, 171387, 285645, 399903, 514161, 666505, 856935, 1199709, 1999515, 2570805, 3599127, 5998545, 17995635]

約数ペア:

[(1, 17995635), (3, 5998545), (5, 3599127), (7, 2570805), (9, 1999515), (15, 1199709), (21, 856935), (27, 666505), (35, 514161), (45, 399903), (63, 285645), (105, 171387), (135, 133301), (137, 131355), (139, 129465), (189, 95215), (315, 57129), (411, 43785), (417, 43155), (685, 26271), (695, 25893), (945, 19043), (959, 18765), (973, 18495), (1233, 14595), (1251, 14385), (2055, 8757), (2085, 8631), (2877, 6255), (2919, 6165), (3699, 4865), (3753, 4795)]