13520247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 20514816

約数和(自身を除く): 6994569

約数列:

[1, 3, 13, 31, 39, 53, 93, 159, 211, 403, 633, 689, 1209, 1643, 2067, 2743, 4929, 6541, 8229, 11183, 19623, 21359, 33549, 64077, 85033, 145379, 255099, 346673, 436137, 1040019, 4506749, 13520247]

約数ペア:

[(1, 13520247), (3, 4506749), (13, 1040019), (31, 436137), (39, 346673), (53, 255099), (93, 145379), (159, 85033), (211, 64077), (403, 33549), (633, 21359), (689, 19623), (1209, 11183), (1643, 8229), (2067, 6541), (2743, 4929)]