40215393

素因数分解:

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

素因数の和:398

約数の個数: 32

約数和(自身を含む): 61430400

約数和(自身を除く): 21215007

約数列:

[1, 3, 9, 27, 53, 157, 159, 179, 471, 477, 537, 1413, 1431, 1611, 4239, 4833, 8321, 9487, 24963, 28103, 28461, 74889, 84309, 85383, 224667, 252927, 256149, 758781, 1489459, 4468377, 13405131, 40215393]

約数ペア:

[(1, 40215393), (3, 13405131), (9, 4468377), (27, 1489459), (53, 758781), (157, 256149), (159, 252927), (179, 224667), (471, 85383), (477, 84309), (537, 74889), (1413, 28461), (1431, 28103), (1611, 24963), (4239, 9487), (4833, 8321)]