2018804985

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1\times {\mathrm{797}}^1$

素因数の和:1487

約数の個数: 64

約数和(自身を含む): 3723148800

約数和(自身を除く): 1704343815

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 647, 783, 797, 1305, 1941, 2391, 3235, 3915, 3985, 5823, 7173, 9705, 11955, 17469, 18763, 21519, 23113, 29115, 35865, 56289, 69339, 87345, 93815, 107595, 115565, 168867, 208017, 281445, 346695, 506601, 515659, 624051, 844335, 1040085, 1546977, 2533005, 2578295, 3120255, 4640931, 7734885, 13922793, 14954111, 23204655, 44862333, 69613965, 74770555, 134586999, 224311665, 403760997, 672934995, 2018804985]

約数ペア:

[(1, 2018804985), (3, 672934995), (5, 403760997), (9, 224311665), (15, 134586999), (27, 74770555), (29, 69613965), (45, 44862333), (87, 23204655), (135, 14954111), (145, 13922793), (261, 7734885), (435, 4640931), (647, 3120255), (783, 2578295), (797, 2533005), (1305, 1546977), (1941, 1040085), (2391, 844335), (3235, 624051), (3915, 515659), (3985, 506601), (5823, 346695), (7173, 281445), (9705, 208017), (11955, 168867), (17469, 115565), (18763, 107595), (21519, 93815), (23113, 87345), (29115, 69339), (35865, 56289)]