71372115

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 127135008

約数和(自身を除く): 55762893

約数列:

[1, 3, 5, 9, 15, 45, 83, 97, 197, 249, 291, 415, 485, 591, 747, 873, 985, 1245, 1455, 1773, 2955, 3735, 4365, 8051, 8865, 16351, 19109, 24153, 40255, 49053, 57327, 72459, 81755, 95545, 120765, 147159, 171981, 245265, 286635, 362295, 735795, 859905, 1586047, 4758141, 7930235, 14274423, 23790705, 71372115]

約数ペア:

[(1, 71372115), (3, 23790705), (5, 14274423), (9, 7930235), (15, 4758141), (45, 1586047), (83, 859905), (97, 735795), (197, 362295), (249, 286635), (291, 245265), (415, 171981), (485, 147159), (591, 120765), (747, 95545), (873, 81755), (985, 72459), (1245, 57327), (1455, 49053), (1773, 40255), (2955, 24153), (3735, 19109), (4365, 16351), (8051, 8865)]