2803815

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 6133248

約数和(自身を除く): 3329433

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 43, 45, 63, 69, 81, 105, 115, 129, 135, 161, 189, 207, 215, 301, 315, 345, 387, 405, 483, 567, 621, 645, 805, 903, 945, 989, 1035, 1161, 1449, 1505, 1863, 1935, 2415, 2709, 2835, 2967, 3105, 3483, 4347, 4515, 4945, 5805, 6923, 7245, 8127, 8901, 9315, 13041, 13545, 14835, 17415, 20769, 21735, 24381, 26703, 34615, 40635, 44505, 62307, 65205, 80109, 103845, 121905, 133515, 186921, 311535, 400545, 560763, 934605, 2803815]

約数ペア:

[(1, 2803815), (3, 934605), (5, 560763), (7, 400545), (9, 311535), (15, 186921), (21, 133515), (23, 121905), (27, 103845), (35, 80109), (43, 65205), (45, 62307), (63, 44505), (69, 40635), (81, 34615), (105, 26703), (115, 24381), (129, 21735), (135, 20769), (161, 17415), (189, 14835), (207, 13545), (215, 13041), (301, 9315), (315, 8901), (345, 8127), (387, 7245), (405, 6923), (483, 5805), (567, 4945), (621, 4515), (645, 4347), (805, 3483), (903, 3105), (945, 2967), (989, 2835), (1035, 2709), (1161, 2415), (1449, 1935), (1505, 1863)]