173120787

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19489}}^1$

素因数の和:19552

約数の個数: 32

約数和(自身を含む): 299366400

約数和(自身を除く): 126245613

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 19489, 58467, 136423, 175401, 409269, 526203, 915983, 1227807, 2747949, 3683421, 6411881, 8243847, 19235643, 24731541, 57706929, 173120787]

約数ペア:

[(1, 173120787), (3, 57706929), (7, 24731541), (9, 19235643), (21, 8243847), (27, 6411881), (47, 3683421), (63, 2747949), (141, 1227807), (189, 915983), (329, 526203), (423, 409269), (987, 175401), (1269, 136423), (2961, 58467), (8883, 19489)]