61719021

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 110597760

約数和(自身を除く): 48878739

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 179, 273, 421, 537, 819, 1253, 1263, 1611, 2327, 2947, 3759, 3789, 5473, 6981, 8841, 11277, 16289, 16419, 20943, 26523, 38311, 48867, 49257, 75359, 114933, 146601, 226077, 344799, 527513, 678231, 979667, 1582539, 2939001, 4747617, 6857669, 8817003, 20573007, 61719021]

約数ペア:

[(1, 61719021), (3, 20573007), (7, 8817003), (9, 6857669), (13, 4747617), (21, 2939001), (39, 1582539), (63, 979667), (91, 678231), (117, 527513), (179, 344799), (273, 226077), (421, 146601), (537, 114933), (819, 75359), (1253, 49257), (1263, 48867), (1611, 38311), (2327, 26523), (2947, 20943), (3759, 16419), (3789, 16289), (5473, 11277), (6981, 8841)]