27931729

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 35215040

約数和(自身を除く): 7283311

約数列:

[1, 7, 19, 23, 133, 161, 397, 437, 529, 2779, 3059, 3703, 7543, 9131, 10051, 52801, 63917, 70357, 173489, 210013, 1214423, 1470091, 3990247, 27931729]

約数ペア:

[(1, 27931729), (7, 3990247), (19, 1470091), (23, 1214423), (133, 210013), (161, 173489), (397, 70357), (437, 63917), (529, 52801), (2779, 10051), (3059, 9131), (3703, 7543)]