55939221

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 94832640

約数和(自身を除く): 38893419

約数列:

[1, 3, 9, 13, 27, 31, 39, 53, 93, 97, 117, 159, 279, 291, 351, 403, 477, 689, 837, 873, 1209, 1261, 1431, 1643, 2067, 2619, 3007, 3627, 3783, 4929, 5141, 6201, 9021, 10881, 11349, 14787, 15423, 18603, 21359, 27063, 34047, 39091, 44361, 46269, 64077, 66833, 81189, 117273, 138807, 159371, 192231, 200499, 351819, 478113, 576693, 601497, 1055457, 1434339, 1804491, 2071823, 4303017, 6215469, 18646407, 55939221]

約数ペア:

[(1, 55939221), (3, 18646407), (9, 6215469), (13, 4303017), (27, 2071823), (31, 1804491), (39, 1434339), (53, 1055457), (93, 601497), (97, 576693), (117, 478113), (159, 351819), (279, 200499), (291, 192231), (351, 159371), (403, 138807), (477, 117273), (689, 81189), (837, 66833), (873, 64077), (1209, 46269), (1261, 44361), (1431, 39091), (1643, 34047), (2067, 27063), (2619, 21359), (3007, 18603), (3627, 15423), (3783, 14787), (4929, 11349), (5141, 10881), (6201, 9021)]