215540457

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 320702976

約数和(自身を除く): 105162519

約数列:

[1, 3, 11, 33, 73, 131, 219, 393, 683, 803, 1441, 2049, 2409, 4323, 7513, 9563, 22539, 28689, 49859, 89473, 105193, 149577, 268419, 315579, 548449, 984203, 1645347, 2952609, 6531529, 19594587, 71846819, 215540457]

約数ペア:

[(1, 215540457), (3, 71846819), (11, 19594587), (33, 6531529), (73, 2952609), (131, 1645347), (219, 984203), (393, 548449), (683, 315579), (803, 268419), (1441, 149577), (2049, 105193), (2409, 89473), (4323, 49859), (7513, 28689), (9563, 22539)]