127884165

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 208023552

約数和(自身を除く): 80139387

約数列:

[1, 3, 5, 15, 131, 151, 393, 431, 453, 655, 755, 1293, 1965, 2155, 2265, 6465, 19781, 56461, 59343, 65081, 98905, 169383, 195243, 282305, 296715, 325405, 846915, 976215, 8525611, 25576833, 42628055, 127884165]

約数ペア:

[(1, 127884165), (3, 42628055), (5, 25576833), (15, 8525611), (131, 976215), (151, 846915), (393, 325405), (431, 296715), (453, 282305), (655, 195243), (755, 169383), (1293, 98905), (1965, 65081), (2155, 59343), (2265, 56461), (6465, 19781)]