72367737

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 107025408

約数和(自身を除く): 34657671

約数列:

[1, 3, 13, 39, 53, 157, 159, 223, 471, 669, 689, 2041, 2067, 2899, 6123, 8321, 8697, 11819, 24963, 35011, 35457, 105033, 108173, 153647, 324519, 455143, 460941, 1365429, 1855583, 5566749, 24122579, 72367737]

約数ペア:

[(1, 72367737), (3, 24122579), (13, 5566749), (39, 1855583), (53, 1365429), (157, 460941), (159, 455143), (223, 324519), (471, 153647), (669, 108173), (689, 105033), (2041, 35457), (2067, 35011), (2899, 24963), (6123, 11819), (8321, 8697)]