9971409

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 16276480

約数和(自身を除く): 6305071

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 373, 399, 469, 1119, 1273, 1407, 2611, 3819, 7087, 7833, 8911, 21261, 24991, 26733, 49609, 74973, 148827, 174937, 474829, 524811, 1424487, 3323803, 9971409]

約数ペア:

[(1, 9971409), (3, 3323803), (7, 1424487), (19, 524811), (21, 474829), (57, 174937), (67, 148827), (133, 74973), (201, 49609), (373, 26733), (399, 24991), (469, 21261), (1119, 8911), (1273, 7833), (1407, 7087), (2611, 3819)]