81875997

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{937}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 144376960

約数和(自身を除く): 62500963

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 219, 399, 511, 657, 937, 1197, 1387, 1533, 2811, 4161, 4599, 6559, 8433, 9709, 12483, 17803, 19677, 29127, 53409, 59031, 68401, 87381, 124621, 160227, 205203, 373863, 478807, 615609, 1121589, 1299619, 1436421, 3898857, 4309263, 9097333, 11696571, 27291999, 81875997]

約数ペア:

[(1, 81875997), (3, 27291999), (7, 11696571), (9, 9097333), (19, 4309263), (21, 3898857), (57, 1436421), (63, 1299619), (73, 1121589), (133, 615609), (171, 478807), (219, 373863), (399, 205203), (511, 160227), (657, 124621), (937, 87381), (1197, 68401), (1387, 59031), (1533, 53409), (2811, 29127), (4161, 19677), (4599, 17803), (6559, 12483), (8433, 9709)]