199873521

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2803}}^1$

素因数の和:2970

約数の個数: 32

約数和(自身を含む): 314048000

約数和(自身を除く): 114174479

約数列:

[1, 3, 9, 19, 27, 57, 139, 171, 417, 513, 1251, 2641, 2803, 3753, 7923, 8409, 23769, 25227, 53257, 71307, 75681, 159771, 389617, 479313, 1168851, 1437939, 3506553, 7402723, 10519659, 22208169, 66624507, 199873521]

約数ペア:

[(1, 199873521), (3, 66624507), (9, 22208169), (19, 10519659), (27, 7402723), (57, 3506553), (139, 1437939), (171, 1168851), (417, 479313), (513, 389617), (1251, 159771), (2641, 75681), (2803, 71307), (3753, 53257), (7923, 25227), (8409, 23769)]