30611721

素因数分解:

$3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 17772279

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 343, 419, 497, 1029, 1257, 1491, 2933, 3479, 8799, 10437, 20531, 24353, 29749, 61593, 73059, 89247, 143717, 208243, 431151, 624729, 1457701, 4373103, 10203907, 30611721]

約数ペア:

[(1, 30611721), (3, 10203907), (7, 4373103), (21, 1457701), (49, 624729), (71, 431151), (147, 208243), (213, 143717), (343, 89247), (419, 73059), (497, 61593), (1029, 29749), (1257, 24353), (1491, 20531), (2933, 10437), (3479, 8799)]