81658863

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 140789376

約数和(自身を除く): 59130513

約数列:

[1, 3, 9, 11, 13, 33, 39, 67, 99, 117, 143, 201, 429, 603, 737, 871, 947, 1287, 2211, 2613, 2841, 6633, 7839, 8523, 9581, 10417, 12311, 28743, 31251, 36933, 63449, 86229, 93753, 110799, 135421, 190347, 406263, 571041, 697939, 824837, 1218789, 2093817, 2474511, 6281451, 7423533, 9073207, 27219621, 81658863]

約数ペア:

[(1, 81658863), (3, 27219621), (9, 9073207), (11, 7423533), (13, 6281451), (33, 2474511), (39, 2093817), (67, 1218789), (99, 824837), (117, 697939), (143, 571041), (201, 406263), (429, 190347), (603, 135421), (737, 110799), (871, 93753), (947, 86229), (1287, 63449), (2211, 36933), (2613, 31251), (2841, 28743), (6633, 12311), (7839, 10417), (8523, 9581)]