690424185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{20021}}^1$

素因数の和:20070

約数の個数: 48

約数和(自身を含む): 1278204480

約数和(自身を除く): 587780295

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 121, 165, 209, 285, 363, 605, 627, 1045, 1815, 2299, 3135, 6897, 11495, 20021, 34485, 60063, 100105, 220231, 300315, 380399, 660693, 1101155, 1141197, 1901995, 2422541, 3303465, 4184389, 5705985, 7267623, 12112705, 12553167, 20921945, 36338115, 46028279, 62765835, 138084837, 230141395, 690424185]

約数ペア:

[(1, 690424185), (3, 230141395), (5, 138084837), (11, 62765835), (15, 46028279), (19, 36338115), (33, 20921945), (55, 12553167), (57, 12112705), (95, 7267623), (121, 5705985), (165, 4184389), (209, 3303465), (285, 2422541), (363, 1901995), (605, 1141197), (627, 1101155), (1045, 660693), (1815, 380399), (2299, 300315), (3135, 220231), (6897, 100105), (11495, 60063), (20021, 34485)]