1780107

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 2918400

約数和(自身を除く): 1138293

約数列:

[1, 3, 7, 21, 29, 37, 79, 87, 111, 203, 237, 259, 553, 609, 777, 1073, 1659, 2291, 2923, 3219, 6873, 7511, 8769, 16037, 20461, 22533, 48111, 61383, 84767, 254301, 593369, 1780107]

約数ペア:

[(1, 1780107), (3, 593369), (7, 254301), (21, 84767), (29, 61383), (37, 48111), (79, 22533), (87, 20461), (111, 16037), (203, 8769), (237, 7511), (259, 6873), (553, 3219), (609, 2923), (777, 2291), (1073, 1659)]