1219509

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 24

約数和(自身を含む): 1906560

約数和(自身を除く): 687051

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 837, 961, 1269, 1457, 2883, 4371, 8649, 13113, 25947, 39339, 45167, 135501, 406503, 1219509]

約数ペア:

[(1, 1219509), (3, 406503), (9, 135501), (27, 45167), (31, 39339), (47, 25947), (93, 13113), (141, 8649), (279, 4371), (423, 2883), (837, 1457), (961, 1269)]