201720961845

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12771191}}^1$

素因数の和:12771224

約数の個数: 48

約数和(自身を含む): 390491966592

約数和(自身を除く): 188771004747

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1755, 3159, 5265, 15795, 12771191, 38313573, 63855955, 114940719, 166025483, 191567865, 344822157, 498076449, 574703595, 830127415, 1034466471, 1494229347, 1724110785, 2490382245, 3103399413, 4482688041, 5172332355, 7471146735, 13448064123, 15516997065, 22413440205, 40344192369, 67240320615, 201720961845]

約数ペア:

[(1, 201720961845), (3, 67240320615), (5, 40344192369), (9, 22413440205), (13, 15516997065), (15, 13448064123), (27, 7471146735), (39, 5172332355), (45, 4482688041), (65, 3103399413), (81, 2490382245), (117, 1724110785), (135, 1494229347), (195, 1034466471), (243, 830127415), (351, 574703595), (405, 498076449), (585, 344822157), (1053, 191567865), (1215, 166025483), (1755, 114940719), (3159, 63855955), (5265, 38313573), (15795, 12771191)]