81517201

素因数分解:

${\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 87687360

約数和(自身を除く): 6170159

約数列:

[1, 19, 101, 107, 397, 1919, 2033, 7543, 10807, 40097, 42479, 205333, 761843, 807101, 4290379, 81517201]

約数ペア:

[(1, 81517201), (19, 4290379), (101, 807101), (107, 761843), (397, 205333), (1919, 42479), (2033, 40097), (7543, 10807)]