13252221

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 20643840

約数和(自身を除く): 7391619

約数列:

[1, 3, 9, 27, 31, 71, 93, 213, 223, 279, 639, 669, 837, 1917, 2007, 2201, 6021, 6603, 6913, 15833, 19809, 20739, 47499, 59427, 62217, 142497, 186651, 427491, 490823, 1472469, 4417407, 13252221]

約数ペア:

[(1, 13252221), (3, 4417407), (9, 1472469), (27, 490823), (31, 427491), (71, 186651), (93, 142497), (213, 62217), (223, 59427), (279, 47499), (639, 20739), (669, 19809), (837, 15833), (1917, 6913), (2007, 6603), (2201, 6021)]