81974415

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{237607}}^1$

素因数の和:237638

約数の個数: 16

約数和(自身を含む): 136862208

約数和(自身を除く): 54887793

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 237607, 712821, 1188035, 3564105, 5464961, 16394883, 27324805, 81974415]

約数ペア:

[(1, 81974415), (3, 27324805), (5, 16394883), (15, 5464961), (23, 3564105), (69, 1188035), (115, 712821), (345, 237607)]