13872903

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 21233664

約数和(自身を除く): 7360761

約数列:

[1, 3, 11, 31, 33, 71, 93, 191, 213, 341, 573, 781, 1023, 2101, 2201, 2343, 5921, 6303, 6603, 13561, 17763, 24211, 40683, 65131, 72633, 149171, 195393, 420391, 447513, 1261173, 4624301, 13872903]

約数ペア:

[(1, 13872903), (3, 4624301), (11, 1261173), (31, 447513), (33, 420391), (71, 195393), (93, 149171), (191, 72633), (213, 65131), (341, 40683), (573, 24211), (781, 17763), (1023, 13561), (2101, 6603), (2201, 6303), (2343, 5921)]