211701819

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12941}}^1$

素因数の和:13011

約数の個数: 32

約数和(自身を含む): 347880960

約数和(自身を除く): 136179141

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 2337, 5453, 12941, 16359, 38823, 90587, 245879, 271761, 530581, 737637, 1591743, 1721153, 3714067, 5163459, 10081039, 11142201, 30243117, 70567273, 211701819]

約数ペア:

[(1, 211701819), (3, 70567273), (7, 30243117), (19, 11142201), (21, 10081039), (41, 5163459), (57, 3714067), (123, 1721153), (133, 1591743), (287, 737637), (399, 530581), (779, 271761), (861, 245879), (2337, 90587), (5453, 38823), (12941, 16359)]