20171663811

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{65629}}^1$

素因数の和:65756

約数の個数: 48

約数和(自身を含む): 32680589760

約数和(自身を除く): 12508925949

約数列:

[1, 3, 9, 13, 37, 39, 71, 111, 117, 213, 333, 481, 639, 923, 1443, 2627, 2769, 4329, 7881, 8307, 23643, 34151, 65629, 102453, 196887, 307359, 590661, 853177, 2428273, 2559531, 4659659, 7284819, 7678593, 13978977, 21854457, 31567549, 41936931, 60575567, 94702647, 172407383, 181726701, 284107941, 517222149, 545180103, 1551666447, 2241295979, 6723887937, 20171663811]

約数ペア:

[(1, 20171663811), (3, 6723887937), (9, 2241295979), (13, 1551666447), (37, 545180103), (39, 517222149), (71, 284107941), (111, 181726701), (117, 172407383), (213, 94702647), (333, 60575567), (481, 41936931), (639, 31567549), (923, 21854457), (1443, 13978977), (2627, 7678593), (2769, 7284819), (4329, 4659659), (7881, 2559531), (8307, 2428273), (23643, 853177), (34151, 590661), (65629, 307359), (102453, 196887)]