78663225

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 137044800

約数和(自身を除く): 58381575

約数列:

[1, 3, 5, 15, 25, 29, 59, 75, 87, 145, 177, 295, 435, 613, 725, 885, 1475, 1711, 1839, 2175, 3065, 4425, 5133, 8555, 9195, 15325, 17777, 25665, 36167, 42775, 45975, 53331, 88885, 108501, 128325, 180835, 266655, 444425, 542505, 904175, 1048843, 1333275, 2712525, 3146529, 5244215, 15732645, 26221075, 78663225]

約数ペア:

[(1, 78663225), (3, 26221075), (5, 15732645), (15, 5244215), (25, 3146529), (29, 2712525), (59, 1333275), (75, 1048843), (87, 904175), (145, 542505), (177, 444425), (295, 266655), (435, 180835), (613, 128325), (725, 108501), (885, 88885), (1475, 53331), (1711, 45975), (1839, 42775), (2175, 36167), (3065, 25665), (4425, 17777), (5133, 15325), (8555, 9195)]