127215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 241488

約数和(自身を除く): 114273

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 257, 495, 771, 1285, 2313, 2827, 3855, 8481, 11565, 14135, 25443, 42405, 127215]

約数ペア:

[(1, 127215), (3, 42405), (5, 25443), (9, 14135), (11, 11565), (15, 8481), (33, 3855), (45, 2827), (55, 2313), (99, 1285), (165, 771), (257, 495)]