2135216979

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{1303}}^1$

素因数の和:1409

約数の個数: 72

約数和(自身を含む): 3816234240

約数和(自身を除く): 1681017261

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 399, 703, 777, 1197, 1303, 1369, 2109, 2331, 3909, 4107, 4921, 6327, 9121, 9583, 11727, 12321, 14763, 24757, 26011, 27363, 28749, 44289, 48211, 74271, 78033, 82089, 86247, 144633, 173299, 182077, 222813, 234099, 337477, 433899, 519897, 546231, 916009, 1012431, 1559691, 1638693, 1783807, 2748027, 3037293, 5351421, 6412063, 8244081, 12486649, 16054263, 19236189, 33892333, 37459947, 57708567, 101676999, 112379841, 237246331, 305030997, 711738993, 2135216979]

約数ペア:

[(1, 2135216979), (3, 711738993), (7, 305030997), (9, 237246331), (19, 112379841), (21, 101676999), (37, 57708567), (57, 37459947), (63, 33892333), (111, 19236189), (133, 16054263), (171, 12486649), (259, 8244081), (333, 6412063), (399, 5351421), (703, 3037293), (777, 2748027), (1197, 1783807), (1303, 1638693), (1369, 1559691), (2109, 1012431), (2331, 916009), (3909, 546231), (4107, 519897), (4921, 433899), (6327, 337477), (9121, 234099), (9583, 222813), (11727, 182077), (12321, 173299), (14763, 144633), (24757, 86247), (26011, 82089), (27363, 78033), (28749, 74271), (44289, 48211)]