31148481

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1701

約数の個数: 32

約数和(自身を含む): 51867648

約数和(自身を除く): 20719167

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 1607, 2769, 4821, 6461, 11249, 19383, 20891, 33747, 62673, 114097, 146237, 342291, 438711, 798679, 1483261, 2396037, 4449783, 10382827, 31148481]

約数ペア:

[(1, 31148481), (3, 10382827), (7, 4449783), (13, 2396037), (21, 1483261), (39, 798679), (71, 438711), (91, 342291), (213, 146237), (273, 114097), (497, 62673), (923, 33747), (1491, 20891), (1607, 19383), (2769, 11249), (4821, 6461)]