81146975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 126366912

約数和(自身を除く): 45219937

約数列:

[1, 5, 7, 13, 25, 35, 53, 65, 91, 175, 265, 325, 371, 455, 673, 689, 1325, 1855, 2275, 3365, 3445, 4711, 4823, 8749, 9275, 16825, 17225, 23555, 24115, 35669, 43745, 61243, 117775, 120575, 178345, 218725, 249683, 306215, 463697, 891725, 1248415, 1531075, 2318485, 3245879, 6242075, 11592425, 16229395, 81146975]

約数ペア:

[(1, 81146975), (5, 16229395), (7, 11592425), (13, 6242075), (25, 3245879), (35, 2318485), (53, 1531075), (65, 1248415), (91, 891725), (175, 463697), (265, 306215), (325, 249683), (371, 218725), (455, 178345), (673, 120575), (689, 117775), (1325, 61243), (1855, 43745), (2275, 35669), (3365, 24115), (3445, 23555), (4711, 17225), (4823, 16825), (8749, 9275)]