78880305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2081}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 152302464

約数和(自身を除く): 73422159

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 361, 399, 665, 1083, 1805, 1995, 2081, 2527, 5415, 6243, 7581, 10405, 12635, 14567, 31215, 37905, 39539, 43701, 72835, 118617, 197695, 218505, 276773, 593085, 751241, 830319, 1383865, 2253723, 3756205, 4151595, 5258687, 11268615, 15776061, 26293435, 78880305]

約数ペア:

[(1, 78880305), (3, 26293435), (5, 15776061), (7, 11268615), (15, 5258687), (19, 4151595), (21, 3756205), (35, 2253723), (57, 1383865), (95, 830319), (105, 751241), (133, 593085), (285, 276773), (361, 218505), (399, 197695), (665, 118617), (1083, 72835), (1805, 43701), (1995, 39539), (2081, 37905), (2527, 31215), (5415, 14567), (6243, 12635), (7581, 10405)]