521938131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1213}}^1$

素因数の和:1316

約数の個数: 64

約数和(自身を含む): 881072640

約数和(自身を除く): 359134509

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 59, 143, 177, 187, 221, 429, 561, 649, 663, 767, 1003, 1213, 1947, 2301, 2431, 3009, 3639, 7293, 8437, 11033, 13039, 13343, 15769, 20621, 25311, 33099, 39117, 40029, 47307, 61863, 71567, 143429, 173459, 214701, 226831, 268073, 430287, 520377, 680493, 787237, 804219, 930371, 1216639, 2361711, 2791113, 2948803, 3649917, 8846409, 10234081, 13383029, 15816307, 30702243, 40149087, 47448921, 173979377, 521938131]

約数ペア:

[(1, 521938131), (3, 173979377), (11, 47448921), (13, 40149087), (17, 30702243), (33, 15816307), (39, 13383029), (51, 10234081), (59, 8846409), (143, 3649917), (177, 2948803), (187, 2791113), (221, 2361711), (429, 1216639), (561, 930371), (649, 804219), (663, 787237), (767, 680493), (1003, 520377), (1213, 430287), (1947, 268073), (2301, 226831), (2431, 214701), (3009, 173459), (3639, 143429), (7293, 71567), (8437, 61863), (11033, 47307), (13039, 40029), (13343, 39117), (15769, 33099), (20621, 25311)]