289445085

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{221797}}^1$

素因数の和:221837

約数の個数: 24

約数和(自身を含む): 519007320

約数和(自身を除く): 229562235

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 221797, 665391, 1108985, 1996173, 3326955, 6432113, 9980865, 19296339, 32160565, 57889017, 96481695, 289445085]

約数ペア:

[(1, 289445085), (3, 96481695), (5, 57889017), (9, 32160565), (15, 19296339), (29, 9980865), (45, 6432113), (87, 3326955), (145, 1996173), (261, 1108985), (435, 665391), (1305, 221797)]