621739105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{415879}}^1$

素因数の和:415920

約数の個数: 16

約数和(自身を含む): 838414080

約数和(自身を除く): 216674975

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 415879, 2079395, 5406427, 9565217, 27032135, 47826085, 124347821, 621739105]

約数ペア:

[(1, 621739105), (5, 124347821), (13, 47826085), (23, 27032135), (65, 9565217), (115, 5406427), (299, 2079395), (1495, 415879)]