207920205

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{827}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 373037184

約数和(自身を除く): 165116979

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 151, 185, 333, 453, 555, 755, 827, 1359, 1665, 2265, 2481, 4135, 5587, 6795, 7443, 12405, 16761, 27935, 30599, 37215, 50283, 83805, 91797, 124877, 152995, 251415, 275391, 374631, 458985, 624385, 1123893, 1376955, 1873155, 4620449, 5619465, 13861347, 23102245, 41584041, 69306735, 207920205]

約数ペア:

[(1, 207920205), (3, 69306735), (5, 41584041), (9, 23102245), (15, 13861347), (37, 5619465), (45, 4620449), (111, 1873155), (151, 1376955), (185, 1123893), (333, 624385), (453, 458985), (555, 374631), (755, 275391), (827, 251415), (1359, 152995), (1665, 124877), (2265, 91797), (2481, 83805), (4135, 50283), (5587, 37215), (6795, 30599), (7443, 27935), (12405, 16761)]