15620355

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4889}}^1$

素因数の和:4971

約数の個数: 24

約数和(自身を含む): 27462240

約数和(自身を除く): 11841885

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 4889, 14667, 24445, 44001, 73335, 220005, 347119, 1041357, 1735595, 3124071, 5206785, 15620355]

約数ペア:

[(1, 15620355), (3, 5206785), (5, 3124071), (9, 1735595), (15, 1041357), (45, 347119), (71, 220005), (213, 73335), (355, 44001), (639, 24445), (1065, 14667), (3195, 4889)]