212920971

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1\times {\mathrm{4603}}^1$

素因数の和:5530

約数の個数: 16

約数和(自身を含む): 300991104

約数和(自身を除く): 88070133

約数列:

[1, 3, 17, 51, 907, 2721, 4603, 13809, 15419, 46257, 78251, 234753, 4174921, 12524763, 70973657, 212920971]

約数ペア:

[(1, 212920971), (3, 70973657), (17, 12524763), (51, 4174921), (907, 234753), (2721, 78251), (4603, 46257), (13809, 15419)]