64861965

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 134652672

約数和(自身を除く): 69790707

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 137, 167, 189, 315, 405, 411, 501, 567, 685, 835, 945, 959, 1169, 1233, 1503, 2055, 2505, 2835, 2877, 3507, 3699, 4509, 4795, 5845, 6165, 7515, 8631, 10521, 11097, 13527, 14385, 17535, 18495, 22545, 22879, 25893, 31563, 43155, 52605, 55485, 67635, 68637, 77679, 94689, 114395, 129465, 157815, 160153, 205911, 343185, 388395, 473445, 480459, 617733, 800765, 1029555, 1441377, 1853199, 2402295, 3088665, 4324131, 7206885, 9265995, 12972393, 21620655, 64861965]

約数ペア:

[(1, 64861965), (3, 21620655), (5, 12972393), (7, 9265995), (9, 7206885), (15, 4324131), (21, 3088665), (27, 2402295), (35, 1853199), (45, 1441377), (63, 1029555), (81, 800765), (105, 617733), (135, 480459), (137, 473445), (167, 388395), (189, 343185), (315, 205911), (405, 160153), (411, 157815), (501, 129465), (567, 114395), (685, 94689), (835, 77679), (945, 68637), (959, 67635), (1169, 55485), (1233, 52605), (1503, 43155), (2055, 31563), (2505, 25893), (2835, 22879), (2877, 22545), (3507, 18495), (3699, 17535), (4509, 14385), (4795, 13527), (5845, 11097), (6165, 10521), (7515, 8631)]