13405131

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 19964880

約数和(自身を除く): 6559749

約数列:

[1, 3, 9, 53, 157, 159, 179, 471, 477, 537, 1413, 1611, 8321, 9487, 24963, 28103, 28461, 74889, 84309, 85383, 252927, 1489459, 4468377, 13405131]

約数ペア:

[(1, 13405131), (3, 4468377), (9, 1489459), (53, 252927), (157, 85383), (159, 84309), (179, 74889), (471, 28461), (477, 28103), (537, 24963), (1413, 9487), (1611, 8321)]