78468195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21179}}^1$

素因数の和:21219

約数の個数: 32

約数和(自身を含む): 142329600

約数和(自身を除く): 63861405

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 21179, 63537, 105895, 275327, 317685, 402401, 825981, 1207203, 1376635, 2012005, 4129905, 5231213, 6036015, 15693639, 26156065, 78468195]

約数ペア:

[(1, 78468195), (3, 26156065), (5, 15693639), (13, 6036015), (15, 5231213), (19, 4129905), (39, 2012005), (57, 1376635), (65, 1207203), (95, 825981), (195, 402401), (247, 317685), (285, 275327), (741, 105895), (1235, 63537), (3705, 21179)]