1243126989

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 2080121472

約数和(自身を除く): 836994483

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 131, 153, 169, 221, 367, 393, 507, 663, 1101, 1179, 1521, 1703, 1989, 2227, 2873, 3303, 4771, 5109, 6239, 6681, 8619, 14313, 15327, 18717, 20043, 22139, 25857, 28951, 42939, 48077, 56151, 62023, 66417, 81107, 86853, 144231, 186069, 199251, 243321, 260559, 376363, 432693, 558207, 625001, 729963, 817309, 1054391, 1129089, 1875003, 2451927, 3163173, 3387267, 5625009, 7355781, 8125013, 9489519, 10625017, 24375039, 31875051, 73125117, 95625153, 138125221, 414375663, 1243126989]

約数ペア:

[(1, 1243126989), (3, 414375663), (9, 138125221), (13, 95625153), (17, 73125117), (39, 31875051), (51, 24375039), (117, 10625017), (131, 9489519), (153, 8125013), (169, 7355781), (221, 5625009), (367, 3387267), (393, 3163173), (507, 2451927), (663, 1875003), (1101, 1129089), (1179, 1054391), (1521, 817309), (1703, 729963), (1989, 625001), (2227, 558207), (2873, 432693), (3303, 376363), (4771, 260559), (5109, 243321), (6239, 199251), (6681, 186069), (8619, 144231), (14313, 86853), (15327, 81107), (18717, 66417), (20043, 62023), (22139, 56151), (25857, 48077), (28951, 42939)]