140805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{149}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 288000

約数和(自身を除く): 147195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 149, 189, 315, 447, 745, 945, 1043, 1341, 2235, 3129, 4023, 5215, 6705, 9387, 15645, 20115, 28161, 46935, 140805]

約数ペア:

[(1, 140805), (3, 46935), (5, 28161), (7, 20115), (9, 15645), (15, 9387), (21, 6705), (27, 5215), (35, 4023), (45, 3129), (63, 2235), (105, 1341), (135, 1043), (149, 945), (189, 745), (315, 447)]