81709236

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{4003}}^1$

素因数の和:4032

約数の個数: 84

約数和(自身を含む): 245076832

約数和(自身を除く): 163367596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1458, 1701, 2268, 2916, 3402, 4003, 5103, 6804, 8006, 10206, 12009, 16012, 20412, 24018, 28021, 36027, 48036, 56042, 72054, 84063, 108081, 112084, 144108, 168126, 216162, 252189, 324243, 336252, 432324, 504378, 648486, 756567, 972729, 1008756, 1296972, 1513134, 1945458, 2269701, 2918187, 3026268, 3890916, 4539402, 5836374, 6809103, 9078804, 11672748, 13618206, 20427309, 27236412, 40854618, 81709236]

約数ペア:

[(1, 81709236), (2, 40854618), (3, 27236412), (4, 20427309), (6, 13618206), (7, 11672748), (9, 9078804), (12, 6809103), (14, 5836374), (18, 4539402), (21, 3890916), (27, 3026268), (28, 2918187), (36, 2269701), (42, 1945458), (54, 1513134), (63, 1296972), (81, 1008756), (84, 972729), (108, 756567), (126, 648486), (162, 504378), (189, 432324), (243, 336252), (252, 324243), (324, 252189), (378, 216162), (486, 168126), (567, 144108), (729, 112084), (756, 108081), (972, 84063), (1134, 72054), (1458, 56042), (1701, 48036), (2268, 36027), (2916, 28021), (3402, 24018), (4003, 20412), (5103, 16012), (6804, 12009), (8006, 10206)]