15961428

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 48491520

約数和(自身を除く): 32530092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 84, 86, 108, 126, 129, 172, 189, 252, 258, 301, 378, 387, 491, 516, 602, 756, 774, 903, 982, 1161, 1204, 1473, 1548, 1806, 1964, 2322, 2709, 2946, 3437, 3612, 4419, 4644, 5418, 5892, 6874, 8127, 8838, 10311, 10836, 13257, 13748, 16254, 17676, 20622, 21113, 26514, 30933, 32508, 41244, 42226, 53028, 61866, 63339, 84452, 92799, 123732, 126678, 147791, 185598, 190017, 253356, 295582, 371196, 380034, 443373, 570051, 591164, 760068, 886746, 1140102, 1330119, 1773492, 2280204, 2660238, 3990357, 5320476, 7980714, 15961428]

約数ペア:

[(1, 15961428), (2, 7980714), (3, 5320476), (4, 3990357), (6, 2660238), (7, 2280204), (9, 1773492), (12, 1330119), (14, 1140102), (18, 886746), (21, 760068), (27, 591164), (28, 570051), (36, 443373), (42, 380034), (43, 371196), (54, 295582), (63, 253356), (84, 190017), (86, 185598), (108, 147791), (126, 126678), (129, 123732), (172, 92799), (189, 84452), (252, 63339), (258, 61866), (301, 53028), (378, 42226), (387, 41244), (491, 32508), (516, 30933), (602, 26514), (756, 21113), (774, 20622), (903, 17676), (982, 16254), (1161, 13748), (1204, 13257), (1473, 10836), (1548, 10311), (1806, 8838), (1964, 8127), (2322, 6874), (2709, 5892), (2946, 5418), (3437, 4644), (3612, 4419)]