81399528

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{161507}}^1$

素因数の和:161526

約数の個数: 48

約数和(自身を含む): 251952480

約数和(自身を除く): 170552952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 161507, 323014, 484521, 646028, 969042, 1130549, 1292056, 1453563, 1938084, 2261098, 2907126, 3391647, 3876168, 4522196, 5814252, 6783294, 9044392, 10174941, 11628504, 13566588, 20349882, 27133176, 40699764, 81399528]

約数ペア:

[(1, 81399528), (2, 40699764), (3, 27133176), (4, 20349882), (6, 13566588), (7, 11628504), (8, 10174941), (9, 9044392), (12, 6783294), (14, 5814252), (18, 4522196), (21, 3876168), (24, 3391647), (28, 2907126), (36, 2261098), (42, 1938084), (56, 1453563), (63, 1292056), (72, 1130549), (84, 969042), (126, 646028), (168, 484521), (252, 323014), (504, 161507)]