244629819

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 420189120

約数和(自身を除く): 175559301

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 257, 261, 521, 609, 771, 1563, 1799, 1827, 2313, 3647, 4689, 5397, 7453, 10941, 15109, 16191, 22359, 32823, 45327, 52171, 67077, 105763, 133897, 135981, 156513, 317289, 401691, 469539, 937279, 951867, 1205073, 2811837, 3883013, 8435511, 11649039, 27181091, 34947117, 81543273, 244629819]

約数ペア:

[(1, 244629819), (3, 81543273), (7, 34947117), (9, 27181091), (21, 11649039), (29, 8435511), (63, 3883013), (87, 2811837), (203, 1205073), (257, 951867), (261, 937279), (521, 469539), (609, 401691), (771, 317289), (1563, 156513), (1799, 135981), (1827, 133897), (2313, 105763), (3647, 67077), (4689, 52171), (5397, 45327), (7453, 32823), (10941, 22359), (15109, 16191)]