199904565

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1289}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 374120640

約数和(自身を除く): 174216075

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 211, 245, 633, 735, 1055, 1289, 1477, 3165, 3867, 4431, 6445, 7385, 9023, 10339, 19335, 22155, 27069, 31017, 45115, 51695, 63161, 135345, 155085, 189483, 271979, 315805, 815937, 947415, 1359895, 1903853, 4079685, 5711559, 9519265, 13326971, 28557795, 39980913, 66634855, 199904565]

約数ペア:

[(1, 199904565), (3, 66634855), (5, 39980913), (7, 28557795), (15, 13326971), (21, 9519265), (35, 5711559), (49, 4079685), (105, 1903853), (147, 1359895), (211, 947415), (245, 815937), (633, 315805), (735, 271979), (1055, 189483), (1289, 155085), (1477, 135345), (3165, 63161), (3867, 51695), (4431, 45115), (6445, 31017), (7385, 27069), (9023, 22155), (10339, 19335)]