561992985

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 1036728000

約数和(自身を除く): 474735015

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 139, 149, 201, 335, 405, 417, 447, 603, 695, 745, 1005, 1251, 1341, 1809, 2085, 2235, 3015, 3753, 4023, 5427, 6255, 6705, 9045, 9313, 9983, 11259, 12069, 18765, 20115, 20711, 27135, 27939, 29949, 46565, 49915, 56295, 60345, 62133, 83817, 89847, 103555, 139695, 149745, 186399, 251451, 269541, 310665, 419085, 449235, 559197, 754353, 808623, 931995, 1257255, 1347705, 1387637, 1677591, 2795985, 3771765, 4043115, 4162911, 6938185, 8387955, 12488733, 20814555, 37466199, 62443665, 112398597, 187330995, 561992985]

約数ペア:

[(1, 561992985), (3, 187330995), (5, 112398597), (9, 62443665), (15, 37466199), (27, 20814555), (45, 12488733), (67, 8387955), (81, 6938185), (135, 4162911), (139, 4043115), (149, 3771765), (201, 2795985), (335, 1677591), (405, 1387637), (417, 1347705), (447, 1257255), (603, 931995), (695, 808623), (745, 754353), (1005, 559197), (1251, 449235), (1341, 419085), (1809, 310665), (2085, 269541), (2235, 251451), (3015, 186399), (3753, 149745), (4023, 139695), (5427, 103555), (6255, 89847), (6705, 83817), (9045, 62133), (9313, 60345), (9983, 56295), (11259, 49915), (12069, 46565), (18765, 29949), (20115, 27939), (20711, 27135)]