20180770191

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{8081}}^1$

素因数の和:8378

約数の個数: 48

約数和(自身を含む): 31065914880

約数和(自身を除く): 10885144689

約数列:

[1, 3, 9, 27, 43, 81, 129, 239, 243, 387, 717, 1161, 2151, 3483, 6453, 8081, 10277, 10449, 19359, 24243, 30831, 58077, 72729, 92493, 218187, 277479, 347483, 654561, 832437, 1042449, 1931359, 1963683, 2497311, 3127347, 5794077, 9382041, 17382231, 28146123, 52146693, 83048437, 84438369, 156440079, 249145311, 469320237, 747435933, 2242307799, 6726923397, 20180770191]

約数ペア:

[(1, 20180770191), (3, 6726923397), (9, 2242307799), (27, 747435933), (43, 469320237), (81, 249145311), (129, 156440079), (239, 84438369), (243, 83048437), (387, 52146693), (717, 28146123), (1161, 17382231), (2151, 9382041), (3483, 5794077), (6453, 3127347), (8081, 2497311), (10277, 1963683), (10449, 1931359), (19359, 1042449), (24243, 832437), (30831, 654561), (58077, 347483), (72729, 277479), (92493, 218187)]