66600675

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 126219600

約数和(自身を除く): 59618925

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 59, 75, 87, 145, 173, 177, 225, 261, 295, 435, 519, 531, 725, 865, 885, 1305, 1475, 1557, 1711, 2175, 2595, 2655, 4325, 4425, 5017, 5133, 6525, 7785, 8555, 10207, 12975, 13275, 15051, 15399, 25085, 25665, 30621, 38925, 42775, 45153, 51035, 75255, 76995, 91863, 125425, 128325, 153105, 225765, 255175, 296003, 376275, 384975, 459315, 765525, 888009, 1128825, 1480015, 2296575, 2664027, 4440045, 7400075, 13320135, 22200225, 66600675]

約数ペア:

[(1, 66600675), (3, 22200225), (5, 13320135), (9, 7400075), (15, 4440045), (25, 2664027), (29, 2296575), (45, 1480015), (59, 1128825), (75, 888009), (87, 765525), (145, 459315), (173, 384975), (177, 376275), (225, 296003), (261, 255175), (295, 225765), (435, 153105), (519, 128325), (531, 125425), (725, 91863), (865, 76995), (885, 75255), (1305, 51035), (1475, 45153), (1557, 42775), (1711, 38925), (2175, 30621), (2595, 25665), (2655, 25085), (4325, 15399), (4425, 15051), (5017, 13275), (5133, 12975), (6525, 10207), (7785, 8555)]