199143711

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 329978880

約数和(自身を除く): 130835169

約数列:

[1, 3, 9, 13, 27, 39, 61, 71, 117, 131, 183, 213, 351, 393, 549, 639, 793, 923, 1179, 1647, 1703, 1917, 2379, 2769, 3537, 4331, 5109, 7137, 7991, 8307, 9301, 12993, 15327, 21411, 23973, 24921, 27903, 38979, 45981, 56303, 71919, 83709, 103883, 116937, 120913, 168909, 215757, 251127, 311649, 362739, 506727, 567361, 934947, 1088217, 1520181, 1702083, 2804841, 3264651, 5106249, 7375693, 15318747, 22127079, 66381237, 199143711]

約数ペア:

[(1, 199143711), (3, 66381237), (9, 22127079), (13, 15318747), (27, 7375693), (39, 5106249), (61, 3264651), (71, 2804841), (117, 1702083), (131, 1520181), (183, 1088217), (213, 934947), (351, 567361), (393, 506727), (549, 362739), (639, 311649), (793, 251127), (923, 215757), (1179, 168909), (1647, 120913), (1703, 116937), (1917, 103883), (2379, 83709), (2769, 71919), (3537, 56303), (4331, 45981), (5109, 38979), (7137, 27903), (7991, 24921), (8307, 23973), (9301, 21411), (12993, 15327)]